ISO 20022 for Dummies

Limited Edition The common standards platform for the financial industry ISO 20022 A Reference for the Rest of Us!® FREE eTips at dummies.com® With the compliments of

ISO
ISO is the International Organization for Standardization. It has a membership of 161 national standards bodies (NSBs) from countries large and small, industrialized, developing and in transition, in all regions of the world. ISO’s portfolio of more than 18,100 standards provides business, government and society with practical tools for all three dimensions of sustainable development: economic, environmental and societal. ISO International Standards make a positive contribution to the world we live in. They facilitate trade, spread knowledge, disseminate innovative advances in technology and share good management and conformity assessment practice. ISO supports this book, which has been prepared by SWIFT as a useful source of information for current and potential users of ISO 20022. ISO/TC 68, Financial services ISO 20022 was developed and is maintained by ISO/TC 68, the ISO technical committee responsible for standardization in the field of banking, securities and other financial services. Its curent portfolio consists of 49 standards or related documents and its membership comprises the NSBs of 28 countries, plus the following stakeholder organizations: CEFACT, ECB, MasterCard, SWIFT, TWIST, UNECE, VISA. International Organization for Standardization, ISO:
www.iso.org

ISO 20022
FOR
DUMmIES‰ by The SWIFT Standards Team
A John Wiley and Sons, Ltd, Publication 01_972823-ffirs.indd i 8/9/10 10:00 AM

ISO 20022 For Dummies®
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print may not be available in electronic books. ISBN: 978-0-470-97282-3 Printed and bound in Great Britain by Page Bros, Norwich 10 9 8 7 6 5 4 3 2 1 01_972823-ffirs.indd ii 8/9/10 10:00 AM

Acknowledgements
The authors would like to thank all the members of the SWIFT Standards team that contributed to the content of this book, and who did a great job of collating and interpreting review comments from around the community. We would also like to thank the following SWIFT people that contributed their time and expertise: Gottfried Leibbrandt, Martine DeWeirdt, Rosie Halfhead and Kim Bratanata. We would also like to extend our thanks to those members of the SWIFT and ISO communities that took the time to review an early draft of the book and offer their comments: Andreas Schneider (BHF), John Masterson (BoNY-Mellon), Rune Olofsson (Nordea), Mike Tagai (JPM-Chase), Javier Santamaria (Santander), Loretta Briano (SanPaulo) and Peter Potgieser (RBS). Finally, we would like to thank Nicolas Fleury and his colleagues at ISO for the Introduction, and Karla McKenna (Citi) for providing valuable feedback and for writing the Foreword. 01_972823-ffirs.indd iii 8/9/10 10:00 AM

01_972823-ffirs.indd iv 8/9/10 10:00 AM

Foreword
The financial services industry has a unique opportunity. Despite all of the intricacies of our business processes and transaction types, our industry has the opportunity to identify and promote interoperable business processes that contain risk, reduce cost and deliver effective products and solutions. How can we achieve this? Through leveraging the process that is the ISO 20022 standard – a standard that our industry has developed, adopted and continues to improve. We can define and hold the basic foundations of our busi￾nesses in a common repository and data dictionary and derive the financial messaging that we use from these tools. We can leverage current technical advances and adapt to future tech￾nical change. This foresight and flexibility is built into the ISO 20022 standard. As standards professionals, and more importantly, as business managers, we need to raise the awareness and provide indus￾try participants with the knowledge that they need to improve, grow and sustain their businesses in the long-term. Thank you to SWIFT both as a constant and dedicated member of the ISO process and for this valuable book, which can con￾tribute to the achievement of a smooth, managed transition and adoption of the ISO 20022 standard. Karla McKenna Chair ISO TC68, Financial Services 01_972823-ffirs.indd v 8/9/10 10:00 AM

Publisher’s Acknowledgements
We’re proud of this book; please send us your comments through our Dummies online registration form located at www.dummies.com/register/. Some of the people who helped bring this book to market include the following:
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01_972823-ffirs.indd vi 8/9/10 10:00 AM

Introduction
While many people in the financial services industry have heard about ISO 20022, few truly understand what it is about and what is so great about it. We at SWIFT are convinced that ISO 20022 can bring profound benefits to the financial services industry, as it realises end-to-end processing across domains and geographies that currently use vastly different standards and information formats. This book removes the mystery from ISO 20022, helps you under￾stand why it matters, and lets you see how you can benefit from it. Foolish Assumptions This book makes some foolish assumptions about you, the people who read it:
✓ You are interested in information processing in the finan￾cial services industry. ✓ You know something about how the financial industry works. ✓ You have heard about ISO 20022 and you want to know more: what it aims to do; who uses it and why; how to use it yourself. ✓ You want to contribute to the ISO 20022 effort. While some knowledge of the industry and the use of informa￾tion processing might be helpful when reading this book, we explain all the concepts and terms when we first introduce them. In addition, we have added a glossary of terms and acronyms in the appendix. 02_972823-intro.indd 1 8/9/10 10:00 AM

2 ISO 20022 For Dummies
How to Use This Book
This book comprises five parts and a Glossary. If you don’t have time to read the whole book, we suggest you flip to Chapters 5 and 6 and read the summaries: Ten Great Things about ISO 20022 and Almost Ten Things to Tell Your CIO about ISO 20022. ✓ Chapter 1: What Is ISO 20022? This part introduces the key concepts of financial messaging, explains where ISO 20022 fits in, and outlines what makes it different from other standards. ✓ Chapter 2: ISO 20022 in Practice. This part focuses on the use of ISO 20022 – where it is currently being used, and for what; it also contains some helpful advice on implementation. ✓ Chapter 3: The ISO 20022 Organisation. Here we explain the ISO organisation, and describe the various commit￾tees and working groups that together define, maintain and promote the standard. ✓ Chapter 4: ISO 20022 and SWIFT: SWIFT is a major con￾tributor to ISO 20022 on many fronts. This part describes SWIFT’s long relationship with the standard, and the services that SWIFT can offer to help implementers and contributors. ✓ Chapter 5: Ten Great Things about ISO 20022: Finally, we give you ten good reasons why ISO20022 is good for you and good for your business. ✓ Chapter 6: Almost Ten Things to Tell Your CIO about ISO 20022: A summary of the key points in the book. ✓ Chapter 7: Ten Useful Links for Standards Implementers. Find websites to further your understanding. Dip in and out of the book as you wish. You can go to any
chapter that looks interesting, or read it from front to back.
02_972823-intro.indd 2 8/9/10 10:00 AM

Introduction 3
Icons Used in This Book
The Dummies man indicates examples to illustrate a point and inspire you. The target signifies particularly useful advice. The knotted string highlights important information to bear in mind. Where to Go from Here Check out the section headings in this book and start reading whichever ones interest you the most. This book is written with sequential logic, but if you’d prefer to skip ahead to the information you need rather than read it from cover to cover, feel free to do so. 02_972823-intro.indd 3 8/9/10 10:00 AM

4 ISO 20022 For Dummies
02_972823-intro.indd 4 8/9/10 10:00 AM

Chapter 1
What Is ISO 20022?
In This Chapter

• Introducing financial messaging standards
• ISO 20022 and how it is different
  In essence, ISO 20022 is a recipe for making financial mes￾saging standards. But before we go much further, we should say what financial messaging standards are, so that’s what this Part starts off by doing. We come to ISO 20022 itself later in the Part. What Are Financial Messaging Standards? To conduct their business, financial institutions exchange massive amounts of information with their customers and among themselves. Such exchanges only work if the sender and receiver of a message have a common understanding of how to interpret this information. This is especially true if either party wishes to rely entirely on computers to process information. Grasping the basics: syntax and semantics To be able to eliminate the need for human intervention to interpret the data, the financial industry has created message definitions – that is, agreements on how to organise the data 03_972823-ch01.indd 5 8/9/10 10:01 AM

6 ISO 20022 For Dummies they want to exchange in structured formats (syntax) and meaning (semantics). Based on such message definitions, they will exchange messages, as illustrated by the following extract of a simple payment instruction. Suppose ExampleBank in Utrecht, the Netherlands (Bank Identifier Code (BIC) EXABNL2U) has been requested by its corporate customer ACME NV, Amstel 344, Amsterdam to transfer 12,500 US Dollars on 29 October 2009 from its account
8754219990. Instead of addressing the above instruction to its
US Dollar correspondent in unstructured text, ExampleBank sends a structured message based on a standard message definition:
<CdtTrfTxInf>
<IntrBkSttlmAmt Ccy=‘USD’>12500</IntrBkSttlmAmt> <IntrBkSttlmDt>2009-10-29</IntrBkSttlmDt> <Dbtr> <Nm>ACME NV.</Nm> <PstlAdr> <StrtNm>Amstel</StrtNm> <BldgNb>344</BldgNb> <TwnNm>Amsterdam</TwnNm> <Ctry>NL</Ctry> </PstlAdr> </Dbtr> <DbtrAcct> <Id> <Othr> <Id>8754219990</Id> </Othr> </Id> </DbtrAcct> <DbtrAgt> <FinInstnId> <BIC>EXABNL2U</BIC> </FinInstnId> </DbtrAgt> </CdtTrfTxInf> The above example is an excerpt from an ISO 20022 Customer Credit Transfer. 03_972823-ch01.indd 6 8/9/10 10:01 AM

Chapter 1: What Is ISO 20022? 7
Messaging standards provide clear definitions of the informa￾tion and data formats (field lengths, codes, character sets) that can be exchanged between parties. The above message, for example, contains the line <IntrBkSttlmAmt Ccy=‘USD’>12500</IntrBkSttlmAmt> to indicate the currency and amount of the transaction. The underlying standard for a Customer Credit Transfer message tells you that this field is mandatory, that it starts with the tag ‘‘IntrBkSttlmAmt’’, that the information in the field must consist of three letters (the ISO currency code) and up to 18 digits for the actual amount. ISO 20022 is just one example of a standard used in the financial industry. The following section gives some context by describ￾ing financial messaging, the standards it uses and some of the problems posed by the multitude of such standards. So many standards, so little time ‘The great thing about standards is that there are so many to choose from’. It’s an old joke, but very relevant in the financial industry. Many different standards exist covering different geographies and business areas. Many individual institutions even use their own proprietary standards internally and/or with their customers. This excerpt is taken from a SWIFT Single Customer Credit Transfer message (MT 103) that does more or less the same as the ISO 20022 Customer Credit Transfer shown earlier. You will note that most information is the same, but the tags and the order of the fields are different:
:32A:091029USD12500,
:50K:/8754219990
ACME NV.
AMSTEL 344
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8 ISO 20022 For Dummies
AMSTERDAM
NETHERLANDS
:52A: EXABNL2U
Here is another example of the same information, this time using the Fedwire proprietary standard:
{1520}20091029xxxxxxxxyyyyyy {2000}000001250000 {5000}D8754219990ACME NV.AMSTEL 344AMSTERDAM* NETHERLANDS* {5100}BEXABNL2U* All of the above examples provide the same information, each using a different standard. Processes and value chains in financial services often cover different geographical and business areas. The proliferation of different messaging standards in the financial industry creates problems in automating these end-to-end chains. Two signifi￾cant barriers exist to a common understanding of information shared by the people and computers involved in such pro￾cesses: the use of different syntaxes (structure) and the use of different semantics (meaning). The syntax barrier The syntax is the format in which the information in a mes￾sage is structured. Unless the reader understands a specific syntax, it will not be possible to understand the message con￾tent. There is a lot of confusion about the difference between a standard and a syntax. The standard describes the agree￾ment on what information is expressed, while the syntax is the format, or the ‘language’ used to express that information. It is difficult for two people to have a conversation unless they both use and understand the same language. The same is true for syntax. Globalisation and the ever increasing need for end￾to-end processing increases the problem. In ISO 20022, the most widely used syntax is eXtensible Mark-up Language (XML). The use of short tag names (like <PstlAdr> to represent a postal address) is also part of the syntax. 03_972823-ch01.indd 8 8/9/10 10:01 AM

Chapter 1: What Is ISO 20022? 9
Some widely used existing standards
✓ ISO 15022 is currently the pre￾dominant securities standard in cross-border settlement, recon￾ciliation and corporate action processing. It was introduced around 1998 to replace ISO 7775, which was much less structured and often omitted crucial settle￾ment information. The adoption of ISO 15022, mandated in 2003, has led to a dramatic increase in Straight Through Processing (STP) rates. In settlement mes￾sages, for example, it is common to come across STP rates of more than 95 per cent. One of the standard’s advantages is its data dictionary based approach, which enables reuse and stan￾dardization of data across all messages. About half of the 15 million messages that are exchanged on the SWIFT net￾work every day are ISO 15022. ✓ ISO 8583 is used for almost all credit and debit card transac￾tions, including ATMs. Several hundred million ISO 8583 mes￾sages are exchanged daily between issuing and acquiring banks. ✓ FIX is the predominant standard of the securities front office. Millions of indications of interest, trade instructions, executions etc., are sent each day using the FIX protocol. ✓ FpML stands for Financial prod￾ucts Markup Language. It uses the XML syntax and was specifi￾cally developed to describe the often complicated contracts that form the base of financial deriva￾tive products. It is widely used between broker-dealers and other securities industry play￾ers to exchange information on Swaps, CDOs, etc. ✓ SWIFT proprietary, also known as MT messages, are the stan￾dard for messaging in cor￾respondent banking, foreign exchange and documentary credits. Over 9,000 financial insti￾tutions around the world use this standard to exchange millions of messages per day over the SWIFT network. ✓ Proprietary domestic standards are also widely used. DTCC is an example of a market infra￾structure using proprietary stan￾dards. Each day some 40 million messages are exchanged with DTCC to clear and settle US domestic securities trades. ✓ XBRL is a flexible XML based standard for exchanging busi￾ness information, which special￾izes in providing easy automation for information found in unstruc￾tured documents. 03_972823-ch01.indd 9 8/9/10 10:01 AM

10 ISO 20022 For Dummies
XML is one of the most popular syntaxes to encode documents (or messages) electronically on the Internet. XML allows com￾munities to define their own identifiers (or tags) and format (or data type) for each component of a message. With XML, data is marked up by using opening and closing tags that indicate the meaning and structure of the information that is communi￾cated. For example, <Dt>2009-09-29</Dt> is an XML representa￾tion of 29 September 2009. The combination of opening and closing tags with the data is called an element. The MT103 Single Customer Credit Transfer extract illustrated in this part uses a SWIFT proprietary syntax. It too uses tags, called field tags, to introduce data. These are alphanumeric characters between colons. This is followed by the actual field content. In the example, :52A: is the field tag (Ordering Institution) and EXABNL2U is the field content. The semantic barrier Once the syntax is out of the way, another barrier appears:
the semantic barrier. Specialists in different domains or countries have developed their own jargon or vocabularies. Different words might refer to the same concept, or worse, the same word could have different meanings. For example, what some players in the payments industry call an Ordering Customer, others refer to a Payer or Payor, while still others talk about a Payment Originator or Initiator. The context also plays a role here: the Payment Originator/Initiator is a Debtor/Payor in a credit transfer, while that Payment Originator/Initiator is a Creditor/Payee in a direct debit. These different names create difficulties when you are look￾ing at end-to-end integration. You need (expensive) expert knowledge to understand what the specialists mean and how to reconcile the information. In order to understand the information exchanged in a partic￾ular business domain, you need to be familiar with the details of the specific syntaxes and the underlying semantics. This requires a significant investment in time and technology. 03_972823-ch01.indd 10 8/9/10 10:01 AM

Chapter 1: What Is ISO 20022? 11
ISO 20022 Basics
The previous section sketched two barriers to a common understanding of information shared between people and computers involved in these processes: the use of different syntaxes and the use of different semantics or interpretation of terms. ISO 20022 was designed to help overcome these bar￾riers. Let’s see what makes ISO 20022 special. ISO 20022 is the agreed methodology used by the financial industry to create consistent message standards across all the business processes of the industry. The ISO 20022 method is based on the concept of separate layers. We distinguish three layers: the top layer provides the key business processes and concepts; the middle layer pro￾vides logical messages or message models; and the bottom layer deals with syntax. Business processes and concepts One of the key characteristics of the ISO 20022 methodology is that there is a distinct separation between the business and the way it is represented in a message, that is, the syntax. The ISO 20022 methodology starts with the creation of the business model. Put simply, this is the definition of the activity or business process, the business roles and actors involved in that activity and the business information needed in order for the activity to take place. The business information is organised into business compo￾nents containing business elements. For example, when look￾ing at the processes involved in a credit transfer, key notions such as debtor (the party that pays), creditor (the money receiver), debtor agent (the bank of the debtor), creditor agent (the bank of the creditor), and payment were identi￾fied. Each of these components has further details. Figure 1-1 shows a simplified business information model, represented in Unified Modeling Language (UML). 03_972823-ch01.indd 11 8/9/10 10:01 AM

12 ISO 20022 For Dummies
Central is the payment itself, which is associated with the debtor agent and creditor agent, which are both financial institutions. The payment is also associated with a debtor and creditor, which are both parties (i.e. persons or organisations, financial or other), which in turn have elements such as a name and address. Additionally, these parties may be owners of an account. Behind these elements lie further details. A payment, for example, contains elements such as currency and amount, a requested execution date and settlement date, and remittance information. Logical messages independent of syntax Using these business concepts, ISO 20022 then defines logical messages, or message models, which are the middle layer. A logical message is a description of all the information that is needed to perform a specific business activity, independent of syntax. It is composed of message components organised in a hierarchical structure. A message component contains one or more message elements and is derived from a business component by using one, some or all of its elements. The logi￾cal message structure for the excerpt of the Customer Credit Transfer message can be seen in Figure 1-2. The message component CreditTransferTransactionInformation contains 4 elements. Some of these, for example, Debtor and DebtorAgent, require further definition and are message com￾ponents themselves. Shown here is a simplified representation that does not show, for example, whether elements are manda￾tory or optional, as is normally done at this level. 03_972823-ch01.indd 12 8/9/10 10:01 AM

Chapter 1: What Is ISO 20022? 13
Debtor
BusinessComponent
Creditor
BusinessComponent
CreditorAgent
BusinessComponent
DebtorAgent
BusinessComponent
PostalAddress
BusinessComponent
Account
BusinessComponent
Payment
BusinessComponent
CreditTransfer
BusinessComponent
FinancialInstitution
BusinessComponent
Party
BusinessComponent
Figure 1-1: A simplified business information model for a payment
transaction.
03_972823-ch01.indd 13 8/9/10 10:01 AM

14 ISO 20022 For Dummies CreditTransferTransactionInformation Message component Containing Message elements Containing Message elements Containing Message elements Containing Message elements InterbankSettlementAmount: USD 12500 InterbankSettlementDate: 2009-10-09 Debtor DebtorAgent PartyIdentification Name: ACME NV PostalAddress PostalAddress AddressLine: 344 Amstel TownName: Amsterdam Country: NL FinancialInstitutionIdentification BIC: EXABNL2U ClearingSystemMemberIdentification Name PostalAddress Other Message component Message component Message component
Figure 1-2: Part of the logical message structure for a credit transfer.
03_972823-ch01.indd 14 8/9/10 10:01 AM

Chapter 1: What Is ISO 20022? 15
A key feature of ISO 20022 is the ability to reuse business and message components across all messages. Whether the message is a credit transfer or a credit card payment, a securities or foreign exchange transaction, the component ‘PostalAddress’ can be used to express a party or finan￾cial institution’s address where appropriate. Individual elements such as ‘InterbankSettlementAmount’ and ‘InterbankSettlement Date’ can also be reused. The syntax As stated earlier, the ISO 20022 methodology is based on the concept of separate layers. The business model and the logical messages are two of those layers. The third layer, the syntax, is the physical representation of the logical message. ISO 20022 uses XML as the primary syntax and has specified how to convert a message model to XML. However, in a par￾ticular business domain, a message model could be expressed in a syntax different from XML, for example, the SWIFT propri￾etary syntax or the FIX syntax, if agreed. It’s all in the repository All of the content described so far is stored in a common repository. A dictionary forms part of this repository. The ISO 20022 dictionary, much like the Oxford Dictionary, lists the name of a component, its structure (with references to sub￾components that may be described elsewhere in the diction￾ary) and, most importantly, what it means and how it should be used or interpreted. Just like with words in the English language, the meaning often depends on the context. For instance, the specific meaning can depend on whether the context is a national or international payment or a securities transaction on a stock exchange. The entry for DebtorAgent tells you that it is the ‘Financial institution servicing an account for the debtor’. It also tells you, that when refer￾ring to a Debtor Agent, you should use the structure called FinancialInstitutionIdentification7, which defines the data required to identify a financial institution – its name and address, Business Identifier Code (BIC) and so on. If you look up this message component in the dictionary you will find the entry shown in Figure 1-3. 03_972823-ch01.indd 15 8/9/10 10:01 AM

16 ISO 20022 For Dummies Message Component Details M-Component: FinancialInstitutionIdentification7 Registration Status: Registered Is based on: FinancialInstitution Repository Simple Repository Search | Advanced Dictionary Search | Advanced Catalogue Search | Print friendly | Definition Set of elements used to identify a financial institution. M-Elements using this M-Component as a Type: 1 FinancialInstitutionIdentification Appearing In BranchAndFinancialInstitutionIdentification4 M-Element BIC [0..1] ClearingSystemMemberIdentification [0..1] Name [0..1] PostalAddress [0..1] Other [0..1] Type BICIdentifier ClearingSystemMemberIdentification2 Max140Text PostalAddress6 GenericFinancialIdentification1 Is based on BIC CashClearingSystemIdentification Name PostalAddress PropertaryIdentification Defined in FinancialInstitutionIdentification7
Figure 1-3: The ISO 20022 web query tool showing details of a message
component.
03_972823-ch01.indd 16 8/9/10 10:01 AM

Chapter 1: What Is ISO 20022? 17
ISO 20022 standardises such components across all messages used in the financial industry. So whenever a message is received that mentions ‘debtor agent’ it is clear what is meant and what to expect in terms of descriptive data about the debtor agent. The crucial notion here is reusability. For example, the data structure FinancialInstitutionIdentification (with all its sub￾structures) is used to describe all financial institutions in all ISO 20022 messages. Similarly, the message component DebtorAgent is used across all financial messages whenever a financial institution plays that role in a transaction. Currently, the ISO 20022 repository holds several hundred business components, around 700 message components and more than 250 message definitions. What Makes ISO 20022 So Great? ISO 20022 offers two things:
✓ A method to develop well structured financial messages, as described in the previous section. ✓ A way to unify the many existing standards. A message definition in any existing standard can be looked at logically as a description of what data is exchanged in the message, its structure and what it means. Such a ‘logical’ mes￾sage definition can be mapped to the business definitions of ISO 20022. This is critical in making standards interoperable:
it enables the use of multiple standards and multiple syntaxes to support the same business process, as information from these can be mapped unambiguously to the business process itself. So the advantages of ISO 20022 over other standards fall into two categories; those concerned with using the standard itself, and those concerned with interoperability with other standards. 03_972823-ch01.indd 17 8/9/10 10:01 AM

18 ISO 20022 For Dummies
Using ISO 20022
The advantages of using ISO 20022 fall into three main catego￾ries: linking messages to business processes, reusing compo￾nents, and the use of XML syntax. Linking messages to business processes Each part of an ISO 20022 message is linked to business com￾ponents (in the model) that are meaningful and easily recog￾nisable to users and can be linked to the data in back-office applications. Reusing components that are well documented and structured Since the components and elements are reused across mes￾sages, institutions need to map them only once to their inter￾nal data structures. It is therefore much easier to introduce new messages: most of the components will already be known and mapped to back-office applications. Maintenance is also a lot easier, since most of the changes can be made at the com￾ponent level. Appreciating the benefits of XML syntax While the key feature of ISO 20022 is the use of common busi￾ness models, when the XML syntax is used, it also brings sig￾nificant benefits. The message format description is contained in an XML schema. This file is machine readable, so imple￾mentation of new messages, or changes to existing messages, requires less manual effort. It also enables easy manipulation of messages by most modern software, including mapping the information to other formats and standards. XML is an international open standard, which means that it enjoys widespread support across industry boundaries and gets extensive support from vendors. Being an international standard also means that a wide variety of XML editing, docu￾ment management, validation, and other off-the-shelf tools is available. These tools allow the automatic injection of mes￾sage definitions and lower the cost for their validation and their integration into back-office systems. 03_972823-ch01.indd 18 8/9/10 10:01 AM

Chapter 1: What Is ISO 20022? 19
ISO 20022 and other standards
ISO 20022 covers the entire financial industry, enabling a common understanding and interpretation of information across such diverse areas as foreign exchange trading and credit card payments. One big advantage is that this facili￾tates mapping between standards. For example, the MT103 Single Customer Credit Transfer field 52a Ordering Institution and the ISO 20022 DebtorAgent element are structured About XML and XML schemas The eXtensible Markup Language (XML) is a simple text-based format for representing structured informa￾tion. XML uses tags set between angled brackets to identify items of information. Each data item is enclosed by a pair of opening and closing tags. The combination of opening and closing tags and the data they contain is called an ele￾ment. Elements can contain other elements, to group related informa￾tion together, for example:
<address>
<number>1</number>
<street>Short Lane</ street>
<city>London</city>
</address>
One advantage of XML is that it is (reasonably) easy for people to read and understand. However this readability comes at a cost; XML is sometimes criticised for being more verbose than other syntaxes and therefore less efficient to transmit and to store. Compression tools can overcome this problem, lessening its impact on user communities where a more efficient syntax is needed, for example, in (pre-) trade messages for securities exchanges, where microseconds count. An XML schema sets out the permit￾ted structure for an XML document (or message). It defines, amongst other things, which elements are allowed in a document, the order in which they should appear, which are mandatory and which are optional. XML schemas can be used by a com￾puter to check whether a message conforms to its definition or not. The ISO 20022 methodology describes how to generate an XML schema from a logical message definition, for messages that will use the XML syntax. XML schemas are provided to define formally the structure of all ISO 20022 XML messages. 03_972823-ch01.indd 19 8/9/10 10:01 AM

20 ISO 20022 For Dummies differently, but still describe essentially the same business concept: the financial institution that services the account of the ordering customer (or debtor). Therefore, both of them can be mapped to the same ISO 20022 business component. This is a powerful concept, because it lays the foundation for different standards to be able to work with each other (known as interoperability). We will get into the details of interoper￾ability in the following parts. The main point here is that such mapping makes life a lot easier for all the parts involved in providing such interoperability: applications, translation services, and so on. Such interoperability enables automated transfer and straight-through processing across entire pro￾cessing chains. 03_972823-ch01.indd 20 8/9/10 10:01 AM

Chapter 2
ISO 20022 in Practice
In This Chapter

• Who uses ISO 20022 today?
• Standards co-existence
• ISO 20022 implementation
  To date, use of ISO 20022 is not as widespread as many people had hoped. Having said that, momentum is clearly building as several large financial infrastructures and user groups have committed to using ISO 20022. Just as importantly, many existing standards are being mapped to ISO 20022. Available Today: Payments, Funds, Securities and Trade ISO 20022 organises financial message definitions in business areas – well recognised functional domains in the industry. These business areas are uniquely identified by four-charac￾ter codes called business area codes. Some examples include:
  ✓ pacs: Payments Clearing and Settlement ✓ pain: Payments Initiation ✓ camt: Cash Management ✓ setr: Securities Trades ✓ sese: Securities Settlement 04_972823-ch02.indd 21 8/9/10 10:01 AM

22 ISO 20022 For Dummies
✓ acmt: Account Management
✓ tsmt: Trade Services Management
Messages are also available for supporting functions related to payments, such as exceptions and investigations, and bank account management, as well as direct debit mandate man￾agement. The coverage is continuously expanding, driven by industry requirements. Payments ISO 20022 messages are available for the complete end-to-end payments chain: customer to bank (payment), bank to bank (payment clearing and settlement) and reporting (cash man￾agement). A big driver for adoption of ISO 20022 in the pay￾ments arena is the Single Euro Payments Area (SEPA), which is currently replacing domestic retail credit transfers and direct debits with standardised European payments that use ISO 20022 messages. Real Time Gross Settlement Systems (RTGS) and low value payments systems around the world have also shown interest in adopting ISO 20022, while others are focus￾ing on building alignment with the standard. Investment funds ISO 20022 messages are used for investment fund orders, transfers, reconciliation, price reporting, and fund cash fore￾cast reports. Messages are also available for hedge funds and fund processing passport (FPP) information. The main driver in this business area is the desire to eliminate fax or e-mail com￾munication and manual processes, and to facilitate straight￾through processing (STP). Securities clearing and settlement and corporate actions Recent years have seen the creation of new global and regional market infrastructures (MI) to facilitate the clearing and settle￾ment of securities and other instruments. In addition, many existing national MIs are facing significant investments as they prepare to enable cross-border access and cater for the needs of foreign participants. Both existing and new MIs will have to 04_972823-ch02.indd 22 8/9/10 10:01 AM

Chapter 2: ISO 20022 In Practice 23
decide which messaging standard/syntax to use in the commu￾nication with their participants A growing number of them, most notably TARGET2-Securities, the Eurosystem’s new securities settlement service and JASDEC, the Japanese central securities depository, are choosing ISO 20022. T2S has announced that it will use ISO 20022 from the outset, and JASDEC will switch to ISO 20022 to replace its domestic standards. As both MIs cover business functions for which no international standards previously existed, ISO 20022 messages have now been developed. Other MIs, such as Clearstream, Euroclear and Depository Trust and Clearing Corporation (DTCC), expect to adopt these as well. Many players affected by these market infrastructure projects are planning to implement the ISO 20022 messages before the scheduled live dates of the MIs, to ensure that they are ready. Another important factor in the adoption of ISO 20022 in the securities industry is the Giovannini Protocol. This protocol aims to harmonise the clearing and settlement of securities in Europe by eliminating several barriers to efficient cross￾border processing. One of these barriers (Barrier 1) is the different standards and communication protocols used for accessing Central Securities Depositories (CSD). The indus￾try has specified that CSDs should support the use of ISO messages for the clearing and settlement of European cross￾border securities transactions by 2011. Those flows that are common across MIs are covered by both ISO 15022 and ISO 20022 in an interoperable way. The same is true for the asset servicing business, where the industry is looking to automate the generation of corporate action information. The basic functionality will be covered by both standards. Additional functionality, for example, proxy voting, has only been developed in ISO 20022. Trade In the trade area, there are currently 50 ISO 20022 messages used by financial institutions to communicate with the Trade Services Utility (TSU). The TSU is a collaborative centralised matching utility designed to help banks meet the supply chain challenge, to provide enhanced financing services for open account settlement. 04_972823-ch02.indd 23 8/9/10 10:01 AM

24 ISO 20022 For Dummies
How Standards Co-Exist
Will the whole world speak English one day, replacing peo￾ple’s native language? Who knows? For the time being existing standards/syntaxes like FIX, FpML, SWIFT proprietary and many domestic standards are in widespread use and generally do a good job at achieving straight through processing. Legacy systems and migration costs While standards, like languages, evolve over time, real migra￾tions are rare. Check out some examples of standards (and migrations from older, so-called legacy standards, to new ones) in the wider world:
✓ Left hand versus right hand drive: About half of the world drives on the left side of the road and the other half drives on the right side. Clearly, it would be more efficient if we all drove on the same side of the road: no need to make cars in two versions, bigger markets for used cars, no adaptation for continental Europeans who choose to live in the UK, or for retired London invest￾ment bankers starting wine farms in France or Italy. Still, there are only two documented cases of migration:
Sweden changing to right hand side in 1966 and Samoa to left-hand side driving in 2009. ✓ Measurement systems: The Anglo-Saxon world measures in gallons, miles, feet and inches, compared to litres and metres for the rest of the world. Being different comes at a price: at least one aeroplane accident and a crashed Mars Lander can be attributed to confusion about mea￾surement systems. Still, most attempts at migration have been frustrating. Just witness the Canadian struggle with kilometres (most road signs still display distances in miles) and the British ‘metric martyrs’ (grocers insisting on weighing vegetables by the pound). And the issue is broader, as anyone trying to print an American letter or ‘legal’ sized document on A4 paper can attest. ✓ Railway gauges: The initial free-for-all has given way to a clear global standard (the 4 ft 8 ½ in Stephenson stan￾dard). There have been migrations, notably the American 04_972823-ch02.indd 24 8/9/10 10:01 AM

Chapter 2: ISO 20022 In Practice 25
South after the Civil War and many of the early railways in Britain like Brunel’s Great Western Railway. Plenty of other gauges are still in use: Russia, Iberia and parts of Australia, for example still use much wider gauges. ✓ Alphabets and characters. Large parts of the world use non-Latin character sets to write: Russia, Japan, China and the Arab world to name just a few. Again there have been migrations, notably the migration of Turkey to the Latin character set by Ataturk, but the use of non-Latin characters appears well-entrenched. ICANN (Internet Corporation for Assigned Names and Numbers) has just enabled the use of Arab and Chinese character domain names. There are plenty more examples: voltage and electricity plugs, ring binders, TV (PAL versus NTSC), Mobile phones (GSM, CDMA), keyboards (QWERTY versus AZERTY), and so on. While you can make a clear case for a single global standard for all of these cases, differences persist and migrations are rare. Not surprisingly, as migration costs are often substantial due to hardware replacement, retraining, conversion of exist￾ing data, etc. Financial messaging standards are subject to the same dynam￾ics. Financial institutions have invested enormous resources in building systems that use existing standards. It is possible to replace one standard with another, as the migration of the securities industry from ISO 7775 to ISO 15022 has shown. But while adopting the ISO 20022 standard gives substantial ben￾efits, in many cases these are not sufficient to outweigh the migration cost. In these cases mapping to, or even compliance or alignment with, ISO 20022 might be the preferred route. Why not force migration to ISO 20022? Why doesn’t the French or German government force their population to abandon their native language and only speak English? Because apart from the fact that their voters would throw them out of office in a blink, it would cost too much and cause far too much hassle to be worth doing, that’s why. Already today the financial community is a dominant user of 04_972823-ch02.indd 25 8/9/10 10:01 AM

26 ISO 20022 For Dummies
ISO financial services standards. But for the majority of its members the cost of migrating their legacy applications to ISO 20022 outweighs the costs of having several standards coexisting. It worked for ISO 7775 to ISO 15022, didn’t it? Indeed it did. In 2004, the securities industry completed a migration from the legacy ISO 7775 standard to ISO 15022 – a technically and functionally superior messaging standard. That migration brought enormous benefits to the community, as important processing information was made mandatory in messages. That in turn allowed the securities clearing and set￾tlement industry to increase straight through processing rates from 60 and 70 percent to currently more than 95 per cent, which translates into billions in operating cost reductions. Although securities players had to change their back-office systems and change communication interfaces, the benefits more than outweighed the substantial migration cost. The migration to an updated standard has already taken place for some parts of the securities industry. ISO 15022 messages for corporate actions and securities settlement and reconcili￾ation are already well-structured and based on a data diction￾ary. For players with large legacy systems in these spaces, the benefits of migration from ISO 15022 to ISO 20022 may not outweigh the cost. Obviously, it’s a different story for areas like investment funds and asset servicing (proxy voting for example), where ISO 20022 messages offer significant benefits over current practice, which largely revolves around fax, phone and file transfer. Wouldn’t these securities players find it easier to have every￾thing in ISO 20022? Yes, but the reality is that they have to deal with multiple formats anyway, most of which are domes￾tic. Even a forced migration at an industry level would not eliminate these domestic formats. What about MT 103s and the ISO 20022 messages? For European retail payments the first migration to ISO 20022 is a fact. Financial institutions in Europe have adopted ISO 20022 messages, complemented with implementation guide￾lines, to meet the specific Single Euro Payments Area (SEPA) community requirements. ISO 20022 is now the common 04_972823-ch02.indd 26 8/9/10 10:01 AM

Chapter 2: ISO 20022 In Practice 27
standard for SEPA compliant payments and has replaced a multitude of domestic standards. Will ISO 20022 messages ever replace the MT 103? Not in the near term. The MT 103 and other related messages, such as the MT 202 General Financial Institution Transfer and MT 950 Statement Message, are deeply embedded in the legacy sys￾tems of financial institutions, making a rapid migration very costly. More than this, an MT 103 or MT 202 are often the result of an underlying transaction and until these underlying transactions are communicated using ISO 20022, migration of the payment messages is perceived as premature. As adoption progresses further, some players may find it easier to use ISO 20022 for all of their interbank payments. Furthermore, banks that have gone through an implementa￾tion in the interbank area are also starting to look at imple￾mentation in the payments initiation and reporting space. These banks will be able to use message translation products and services to map their ISO 20022 messages to MT 103s in order to communicate with their correspondent banks that are not (yet) using ISO 20022. Making Co-existence Work So, if outright migration from legacy standards to ISO 20022 is out of the question, what’s the alternative? As long as the world does not speak a single language, multiple languages will coex￾ist. The same holds true for the financial industry as long as it uses multiple message standards. And as is the case with lan￾guages, this is not a problem as long as you communicate with people in your own community. But as communities intercon￾nect, there is a need for mechanisms to understand and com￾municate with each other, translation being one of them. From co-existence to interoperability To continue with our language analogy, does everyone use translators to communicate with foreigners? Of course not; most people have some knowledge of other languages and sometimes one of the participants in the conversation will revert to an ‘internal’ translation and switch to the language of the conversation partner. Often, both participants settle on 04_972823-ch02.indd 27 8/9/10 10:01 AM

28 ISO 20022 For Dummies a lingua franca (English, Swahili, Hindi) whereby both parties translate internally to and from this third language. Life is also made easier by the fact that most service providers (telecom￾munications, banks, governments) allow customers to work with them in the language of their choice. Financial institutions are no different. Many use their own internal formats to store information and exchange it between applications. They then map this information to whatever format is needed for the outside world. Even when these outside formats change, they often continue to use the old version internally and map it to the new format before send￾ing it out. It’s true that the securities industry migrated from ISO 7775 to ISO 15022 in 2004, but many securities players still use ISO 7775 internally and with some of their custom￾ers. Similarly, in 2003, SWIFT replaced its workhorse MT 100 Customer Transfer with a new format, the MT 103 Single Customer Credit Transfer, but several institutions still use the MT 100 internally. Typically these institutions find it cheaper to map/transform the information to and from the new format, than to change their legacy applications. For centuries, people dreamt of a common language (for example, Esperanto) to breach the communication gap. However, this dream never materialised. Standardisers shared a similar dream over 10 years ago and are now facing the same issue: multiple stan￾dards will not go away any time soon. As a consequence, coexistence is not a short term situation and the challenge becomes one of interoperability between different standards. Interoperability products and services Interoperability refers to the seamless execution of a busi￾ness process by various counterparties with different levels of automation and time-to-market requirements or capacity. There are many aspects to interoperability, but the ability to map different messaging standards is an important element. Rapid developments in software technology make mapping increasingly feasible and cheap. Given a set of rules, interop￾erability tools (such as middleware components) can easily transform information from one message standard/syntax to another. Let’s take an example of the simple credit transfer message mentioned in Chapter 1. 04_972823-ch02.indd 28 8/9/10 10:01 AM

Chapter 2: ISO 20022 In Practice 29
Figure 2-1 illustrates the debtor and debtor agent details
as shown in the form of a SWIFT MT 103 and an ISO 20022 pacs.008 message. Arrows represent the mapping of data from one message to the other. Example 1:
identification of the debtor agent :52A:EXABNL2U :50K:/8754219990 ACME NV. AMSTEL344 AMSTERDAM, NETHERLANDS :50K:/8754219990 ACME NV. AMSTEL344 AMSTERDAM, NETHERLANDS MT 103 <BIC>EXABNL2U</BIC> <Finlnstnld> </Finlnstnld> <DbtrAgt> </DbtrAgt> Example 2:
account number of the debtor
Example 3:
name and contact details of the debtor <Othr> </Othr> <ld> </ld> <ld>8754219990</ld> <Nm>ACME NV.</Nm> <PstlAdr> <DbtrAcct> </DbtrAcct> <Dbtr> <StrtNm>Amstel</StrtNm> <TwnNm>Amsterdam</TwnNm> </PstlAdr> <BldgNb>344</BldgNb> <Ctry>NL</Ctry> </Dbtr> Pacs.008.001.02
Figure 2-1: Mapping an MT103 to an ISO 20022 Credit Transfer.
Middelware is software that can adapt the outputs of one system to the inputs of another, so that they can communi￾cate. What middleware needs is a set of mapping rules that tells it to take the information from one field in the MT mes￾sage and move it to the correct corresponding element in the ISO 20022 message. In the first example, the information in field ‘:52A:’ is moved to the BIC element in the component called ‘DebtorAgent’. The mapping is straightforward as this field in MT has only one equivalent element in the ISO 20022 message. 04_972823-ch02.indd 29 8/9/10 10:01 AM

30 ISO 20022 For Dummies
In the second example, the information on the first line of field ‘:50K:’ is moved to the account identification element in the component called ‘DebtorAccount’. The third example is more complex; part of the information in the MT field :50K: has to be split into the ISO Name and PostalAddress elements in the component called ‘Debtor’. Sometimes information may not fit in the field or the element in the destination message, in which case the overflow needs to be inserted elsewhere, or dropped . The good news is that such mapping and translations are increasingly available between commonly used standards, and interoperability tools (such as integration components) allow users to configure their middle￾ware to execute such mappings. The increasing use and avail￾ability of electronic dictionaries makes this even easier. ISO 20022, the foundation of interoperability We have claimed that ISO 20022 is the unification tool across standards and syntaxes and we have explained how ISO 20022 can interoperate with other standards. We can now go on to explain how ISO 20022 can further facilitate interoperability by acting as an interoperability hub. In foreign exchange, deals involving less common currencies are generally carried out over a hub (in this case, a trading portal), usually in US dollars (USD) or in Euros (EUR). For example, the Thai Baht is first converted into USD, after which the USD can be traded for Bolivian Pesos. Similarly, transla￾tion and mapping rules are generally only available between the most common standards. This is where ISO 20022 increas￾ingly plays the role of interoperability hub; work is underway to map the information in many standards into ISO 20022. Take a look at the example of the International Payments Framework (IPF) in which two infrastructures on different continents use different syntaxes and where ISO 20022 enables translation. USD transfers for Europe initiated in the US Automated Clearing House (ACH), using the NACHA proprietary format will first be mapped into ISO 20022 as a 04_972823-ch02.indd 30 8/9/10 10:01 AM

Chapter 2: ISO 20022 In Practice 31
common format before the message is sent to the European participants which will map the incoming ISO 20022 message into an outgoing ISO 20022 transfer message. An example of this mapping system can be seen in Figure 2-2. NACHA ISO 20022 format Mapping Mapping ISO 20022 Transfer message as implemented in Europe Mapping Mapping
Figure 2-2: Mapping from a US NACHA payment to a European ISO 20022
message.
Interoperability with
FPL and FpML
Securities pre-trade business requires messages to be sent, received and processed as quickly as possible. Because FIX is very widely used in this area, the organization that designed the FIX standard, FIX Protocol Ltd (FPL), has ensured that its own syntax is very compact and efficient. But FPL also aims to ensure that information structures, components and ele￾ments are part of ISO 20022. Working in collaboration with other members of the ISO 20022 community, FPL does this in two ways:
✓ FPL submits its own components for ISO 20022 when these components cover information/functionality that is not already in the dictionary. ✓ Where the functionality is already covered by ISO 20022, SWIFT and FPL collaborate towards interoperability by designing transformation rules between the FIX syntax and the XML syntax, using ISO 20022 as the common business model. Similar work is underway with FpML (the industry-standard protocol for complex financial products). 04_972823-ch02.indd 31 8/9/10 10:01 AM

32 ISO 20022 For Dummies
Alignment with XBRL eXtensible Business Reporting Language (XBRL), is a technol￾ogy that has been around for many years in the financial report￾ing arena. XBRL is used to ‘tag’ business information so that it can be meaningfully integrated into business applications and understood by analysts, investors and other financial interme￾diaries. Its recent international success can be partly attributed to its adoption by the US Securities and Exchange Commission as a mandatory format for filing specific financial reports through their automated reporting system. Several other juris￾dictions around the globe are adopting similar mandates for financial and business reporting. Increased regulatory scrutiny and the need for additional transparency in financial reporting have also contributed much to the ‘perfect storm’ that created the catalyst for XBRL US and ISO 20022 to work together with DTCC (The US Depository Trust & Clearing Corporation). In June 2009, SWIFT and DTCC embarked on an initiative with XBRL US to build a corporate actions taxonomy that will be fully aligned with the ISO 20022 dictionary for corporate actions elements. In this way, corporate issuers of securities can tag their corporate actions documents and create XML data that can be easily used in ISO 20022 corporate action messages for financial intermediaries downstream in the cor￾porate actions lifecycle process. Issuers (or their agents) will ‘tag’ documents using an XBRL tagging tool and the resulting XBRL instance document would then be automatically transformed into an ISO 20022 corpo￾rate actions message for consumption by financial and other intermediaries involved downstream. This will be the first collaboration of its kind across stan￾dardisation domains – XBRL in the accounting and business reporting domain, and ISO 20022 (SWIFT and DTCC) in the transaction processing domain. ISO 20022 Implementation As ISO 20022 adoption increases in the market place, it will impact different types of players in a variety of ways. The fol￾lowing sections cover some of the main cases. 04_972823-ch02.indd 32 8/9/10 10:01 AM

Chapter 2: ISO 20022 In Practice 33
Small player in a single business area with mature standards If you are a small player in a single business area, then gener￾ally you should be able to continue to use the communica￾tions infrastructure you use today. Most large counterparties and service providers are equipped to continue to support existing formats, for example, by using the interoperability tools described in the earlier chapters. Focused player in a business where ISO 20022 standards are heavily used Focused players in areas such as European retail payments or the funds industry need ISO 20022 to operate. If this is you, you have to implement ISO 20022 capabilities, so you have to install communications and interface software that is ISO 20022 aware. Players with legacy systems that use existing standards (domestic, proprietary or other) may decide not to migrate these systems to ISO 20022, but instead rely on map￾ping at the middleware level. Players facing new investments, however, may decide to enable their applications for ISO 20022 from the start. Examples could be transfer agents in Asia that are making investments to replace the current fax and phone communica￾tions, and new market infrastructures in securities. A side-benefit of the ISO 20022 approach for new players is that they can use all of the existing data definitions from pub￾lished ISO 20022 content as the basis for defining their inter￾nal data structures. This is possible thanks to the separation between the semantic layer and the message layer and the consistent usage of the dictionary. Implementers should of course maintain appropriate de-cou￾pling of the internal versus external structures through proper architectural layers, but using internal structures close to the standard significantly simplifies integration tasks since a lot of the mappings would become very straightforward. 04_972823-ch02.indd 33 8/9/10 10:01 AM

34 ISO 20022 For Dummies
Global financial institution that’s active in many businesses So you have to deal with the Tower of Babel on a daily basis:
many different formats across geographies and businesses and large legacy systems that are very expensive to change. In all likelihood your institution already uses enterprise scale middleware - sometimes known as Enterprise Application Integration (EAI) software - to connect applications and communications interfaces, mapping and transforming infor￾mation as needed. In a highly simplified form your overall architecture could look similar to Figure 2-3. Communications hub SWIFT Middleware / EAI Other Other Customer channels Application
Figure 2-3: Enterprise Application Integration software (middleware) con￾nects applications to each other and to external networks such as SWIFT.
This approach insulates your channels and back-office applications from changes in the standard by isolating ISO 20022-specific definitions and processing in the EAI software. It also allows you to re-use common functionality, such as network connectivity, across multiple implementations. Typical EAI software includes features for mapping data from proprietary internal formats or other standards to and from ISO 20022, enriching messages with data from other systems and orchestrating message flows. EAI also features a range of adaptors that connect to standard data exchange or stor￾age mechanisms – databases, message queues, mail servers, etc. – and standard software applications, such as Enterprise Resource Planning (ERP) systems. 04_972823-ch02.indd 34 8/9/10 10:01 AM

Chapter 2: ISO 20022 In Practice 35
Implementation Considerations
There are many questions to consider when implementing the ISO 20022 standard:
✓ Which business processes does ISO 20022 support?
✓ What are the touch-points in my organisation and my application landscape? ✓ How will I get message data into - and out of - my applications? ✓ What data do I need to fulfil the minimum require￾ments of the messages I will generate? (This may not just be the mandatory fields; depending on the context in which the message is to be used and the service to be offered, other data may also be required.) ✓ Where can I find the data: is it in my back-office system already? If not, can I find it elsewhere, and use my EAI’s enrichment capability to add it to a message? ✓ What business event should trigger the production of outgoing messages? ✓ What processing steps are required? For example, do I need to batch and un-batch messages? ✓ Is manual authorisation of messages required? ✓ What should I do with invalid or rejected messages? ✓ If my solution requires a conversational message pro￾cessing style (request-response), what do I need to do to accept the request and create the response? ✓ What is the messaging style? Depending on the type of solution, messages may be exchanged with partners interactively, on a store-and-forward basis, or in batch files. By considering these questions it should be possible to map out the ISO 20022 implementation for a solution and deter￾mine the impact on existing systems and processes. In some cases – for example when replacing a legacy format with ISO 20022 – much of the ‘plumbing’ will already exist and the prin￾cipal effort will be in adapting to the new message formats and connectivity requirements. In other cases, for example, 04_972823-ch02.indd 35 8/9/10 10:01 AM

36 ISO 20022 For Dummies implementing a new solution for a new market, the impact on the existing landscape may be more dramatic. The good news is that, using an EAI-based approach, much of the logic built for one solution can be re-used in another, so the effort of implementing new solutions decreases dramatically over time; it is possible to have an overall strategic picture of ISO 20022 adoption, towards which you migrate piecemeal, responding to business drivers – but with each implementa￾tion smoothing the way for those that follow. Cost of implementation How much will it cost? A difficult question because no two institutions are alike. However, the fact that ISO 20022 mostly uses XML syntax does help, mainly because the popularity of XML has driven commoditisation in the XML tools market, and first-class integration tools are available from many ven￾dors and open-source projects; but also because XML skills are increasingly easy to find. The balance of implementation cost has therefore tilted away from technology concerns towards business analysis. From a business analysis point of view, the consistency across message definitions enforced by the dictionary (and the separation of the semantic layer) sig￾nificantly simplifies the exercise, especially as people build up ISO 20022-specific skills. With the critical mass that ISO 20022 has in the industry, the likelihood of reusing content you have seen before is indeed very high. Building for the future ISO 20022 messages are designed to support current and future business needs all around the world. To this end, specifications include international characters in narrative fields, long identifiers and references, very large monetary amounts and very precise interest and exchange rates. If you are a technical architect or a designer of back-office systems you should take into account both the semantics of ISO 20022, which provide an internationally agreed common vocabulary for financial industry concepts, and the physical forms in which these concepts are represented. In this way, you can guarantee that systems will be aligned with ISO 20022 for messaging purposes, but also with the industry’s collective wisdom regarding the best ways to represent financial data for present and future needs. 04_972823-ch02.indd 36 8/9/10 10:01 AM

Chapter 3
The ISO 20022 Organisation
In This Chapter

• ISO 20022 governance
• The role of the Registration Authority
• Technical working groups
  Any organisation can develop ISO 20022 messages. You don’t need to be affiliated with ISO, but you are obliged to comply with the rules set out in the ISO 20022 standard. The standard describes the method to develop the messages as well as the process to get them approved and published as part of the official portfolio of ISO 20022 messages. Fifteen organisations have already embarked on developing ISO 20022 messages. A series of bodies have been created by ISO to monitor the use of the standard and to help organisations develop suc￾cessful and compliant messages. All of these bodies report to ISO ‘Technical Committee 68’ (TC68), the ISO committee responsible for all financial industry standards. Business Justification Approval If you want to develop ISO 20022 messages, you first have to introduce a business justification describing the scope and pur￾pose of the messages and their benefits for the future users. The business justification is reviewed and approved by the ISO 20022 Registration Management Group (RMG). The RMG is the highest ISO 20022 body governing the overall process. Its membership includes more than 65 senior industry experts nominated by their countries or organisations. 05_972823-ch03.indd 37 8/9/10 10:01 AM

38 ISO 20022 For Dummies
The RMG will analyse your business justification and assess the need for the message development: check that the mes￾sages do not overlap with existing ISO 20022 messages and verify their attractiveness for the international financial com￾munity. Specifically, it judges whether the application meets key criteria. These include:
✓ Is there a clear business need for these messages?
✓ Does the scope address the requirements of the targeted users? Development of Candidate ISO 20022 Messages Approval of your business justification gives you the green light to start developing the messages. Before you start, you will need to be in contact with the ISO 20022 Registration Authority (RA). The RA is the guardian of the ISO 20022 repository, which includes all existing ISO 20022 messages and the dictionary of ISO 20022 components. SWIFT acts as the RA under a contrac￾tual agreement with ISO. The RA will provide the input and guidelines required to develop the syntax independent logical message models. For this, you will reuse existing ISO 20022 message components or ask the RA to create new components, if necessary. You will need a modelling tool to design the message models. SWIFT can provide you with a lite version of the Standards Work Station (SWS), which was developed by SWIFT to use for its own development of ISO 20022 message models and, in its role of ISO 20022 RA, to verify the compliance of ISO 20022 message models submitted by others. Where possible, the RA will assist submitters during develop￾ment of the message models, to ensure that they are adhering to rules, and to answer questions. When the message models are ready (these are called candidate ISO 20022 messages), 05_972823-ch03.indd 38 8/9/10 10:01 AM

Chapter 3: The ISO 20022 Organisation 39
the RA validates their compliance and generates evaluation documentation, which includes the full description of your messages and the derived ISO 20022 XML schemas. Approval of Candidate ISO 20022 Messages The RA distributes the evaluation documentation to the appropriate ISO 20022 Standards Evaluation Groups (SEGs) for validation. The SEGs are groups of industry experts nomi￾nated by ISO members, representing the (future) users of ISO 20022 messages. There are currently five SEGs, each cover￾ing a specific business domain: payments, securities, foreign exchange, trade services and cards. Over 200 experts from 22 countries and 12 international organisations affiliated with ISO currently participate in the SEGs. Their role is to ensure that your candidate messages truly address the requirements of the community of users they represent. You will be required to participate in the evaluation of your candidate messages. The SEG may require that you make some changes to ensure future adoption of your messages by the international community. Publication of ISO 20022 Messages Upon approval by the SEG, your messages become ISO 20022 compliant messages. The RA will officially register your messages and any new components in the ISO 20022 repository and publish them on www.iso20022.org. The messages and their XML schemas are made available free of charge to the entire community, but you remain the owner of the messages, and you will be con￾tacted in case users request a modification to the messages. 05_972823-ch03.indd 39 8/9/10 10:01 AM

40 ISO 20022 For Dummies
Working Group 4 (WG 4) and the Technical Support Group (TSG) There are two more ISO 20022 working groups that might be of interest to you. Working Group 4 was established by TC68 to review and improve the ISO 20022 standard, its methodology for message development, including the modelling of syntax neutral business and logical models and their conversion in the desired message syntax. This group ensures that the ISO 20022 standard meets the evolving demands of the financial industry, both from a technical and syntax viewpoint. The Technical Support Group advises submitting organisa￾tions, the RMG, the RA, and the SEGs on the most appropriate and consistent interpretation of the ISO 20022 standard. 05_972823-ch03.indd 40 8/9/10 10:01 AM

Chapter 4
ISO 20022 and SWIFT
In This Chapter

• SWIFT’s role in the ISO 20022 standard
• Tools and services for submitters
• Tools and services for implementers
  ISO 20022 grew out of a previous standard in the securi￾ties messaging space, ISO 15022. SWIFT was one of the key contributors to ISO 15022 and maintained this leading role in the development of ISO 20022. This chapter outlines SWIFT’s role in the development of ISO 20022, and the services SWIFT offers to standard setters and to users of the standard. SWIFT’s Role in the ISO 20022 Standard SWIFT’s commitment to ISO 20022 is broad and deep. In 2000 SWIFT drafted the original ISO 20022 specification as part of the ISO working group that developed the standard. In June 2004, SWIFT was appointed Registration Authority (RA) for the standard – a role that SWIFT continues to fulfil. The RA is responsible for maintaining and publishing the cen￾tral repository of ISO 20022 content and ensuring its integrity. The first formal edition of the standard was approved and published by ISO in December of the same year. In its role of RA, SWIFT developed and continues to support and update ISO 20022 web resources, including www.iso20022.org and the web query tool shown in Chapter 1. 06_972823-ch04.indd 41 8/9/10 10:01 AM

42 ISO 20022 For Dummies
The RMG – the body responsible for the overall management of the standard and the registration process was formed in January 2005. SWIFT sends delegations representing both the RA and SWIFT to RMG meetings. In June 2005 the first two ISO 20022 Standards Evaluation Groups (SEG) were formed, for the business areas of Payments and Securities. In 2006, two more SEGS were formed, for Trade and Foreign Exchange business, followed in 2008 by a new SEG for Cards. The role of the SEGs is to review submitted message definitions in terms of their business con￾tent. SWIFT is represented on all 5 SEGs. In addition to the expertise SWIFT contributes to ensure the validity of the business content of the standard, SWIFT is also active on the technical front. The next version of the standard is being edited by SWIFT and developed in collaboration with the other members of Working Group 4, the ISO working group tasked with advancing the technical basis of the standard. SWIFT also develops and maintains the Standards Workstation, a customised modelling tool that is used within SWIFT to create standards content in the ISO 20022 repository and generate documentation and XML schemas. SWIFT provides a ‘lite’ ver￾sion of the same tool for the use of other submitters. SWIFT is the major submitter of content to the standard. Over 90 per cent of the message definitions currently included in the ISO 20022 catalogue were developed by SWIFT. SWIFT also actively promotes ISO 20022 in its commercial offerings, in the media and at industry events. Tools and Services for Standards Developers The ISO 20022 standard makes rigorous demands on the quality of submitted content. The RA is responsible for ensuring that content meets these demands before it is officially registered. SWIFT offers a number of tools and services for developers of ISO 20022 content, to help submitting organisations develop and submit content which conforms to the standard. 06_972823-ch04.indd 42 8/9/10 10:01 AM

Chapter 4: ISO 20022 and SWIFT 43
SWIFTNet
SWIFTNet is SWIFT’s secure IP network, which connects over 8000 financial intuitions and corporations around the world. SWIFT offers a variety of services over SWIFTNet for users of ISO 20022 messages, including interactive messaging (which includes message validation) and file transfer. For more infor￾mation about SWIFT’s network services, visit www.swift.com. Implementation tools and services Many tools exist to support coexistence and interoperability. Some of these tools are provided directly by SWIFT, but many others are available from SWIFT partners with SWIFT provid￾ing key elements and input. Translation and mapping rules For several key areas such as funds and credit transfers, SWIFT has developed translation rules between SWIFT’s exist￾ing and widely-used MT messages and ISO 20022 messages. These were developed with key members of the SWIFT com￾munity and are made available to members and partners. For some business areas, SWIFT has also developed ‘compatibil￾ity’ versions of ISO 20022 messages, which are guaranteed to be fully translatable from and to the equivalent SWIFT mes￾sages, smoothing the path of co-existence. Machine readable standards definitions XML schemas and documentation for ISO 20022 messages can be downloaded from www.iso20022.org. The UML models that are the source for ISO 20022 content can also be obtained from the RA. In addition, SWIFT can provide a number of useful representations of the ISO 20022 content, which can be used to accelerate development of things like input screens and user documentation. Middleware and interface products SWIFT enables its own interface products to support ISO 20022, as do many other vendors of connectivity and middle￾ware products. 06_972823-ch04.indd 43 8/9/10 10:01 AM

44 ISO 20022 For Dummies
Implementation consultancy
SWIFT provides a variety of consulting offerings for ISO 20022 implementation. Training SWIFT provides a comprehensive range of classroom courses and self-study modules covering all aspects of ISO 20022 implementation. Coordination and calendars Finally, SWIFT provides guidance to its community regarding the timing of coexistence by producing calendars for specific business areas. References For more details of SWIFT’s products and services for ISO 20022, visit www.swift.com/standards. 06_972823-ch04.indd 44 8/9/10 10:01 AM

Chapter 5
Ten Great Things about ISO 20022
Hopefully this book has told you everything you need to know about ISO 20022. Here are the top ten reasons why ISO 20022 is right for your business:
✓ The ISO 20022 Dictionary helps the financial community align and do business by providing concise definitions for common business concepts. ✓ The ISO 20022 process is open to anyone in the industry who wants to participate. ✓ ISO 20022 mostly uses XML – a technical syntax which enjoys great support from software platforms and tools. But the standard is designed to allow the use of other syntaxes as new requirements emerge. ✓ ISO 20022 XML schemas provide a high level of busi￾ness validation, reducing the risk of sending or receiving incorrect data. ✓ ISO 20022 messages are free for anyone to implement on any network. ✓ The ISO 20022 maintenance process allows users to shape the development of the messages on which they rely. ✓ The leaders of ISO 20022 work actively with other stan￾dards bodies to promote interoperability. ✓ ISO 20022 definitions can be used as the basis for your own internal communication needs. ✓ ISO 20022 definitions are created collaboratively by industry experts from around the world, to ensure their completeness and accuracy. ✓ The ISO 20022 web query tool allows anyone to explore the ISO 20022 dictionary; no special software is required. 07_972823-ch05.indd 45 8/9/10 10:02 AM

Chapter 6
Almost Ten Things to Tell
Your CIO about ISO 20022
Now you know all about ISO 20022 and why it’s right for your business, tell people about it! Here are nearly ten things about ISO to be sure to tell your CIO about:
✓ ISO 20022 is a methodology for defining financial messages – a standard for standards, so to speak. ✓ Currently, 260 messages have been defined, and there are many more on the way. ✓ It’s not just about messages – ISO 20022 provides a common language for machines and people to exchange information about financial business. This common lan￾guage is set out in a formal dictionary. ✓ ISO 20022 is a business standard; its principal focus is on the content of the dictionary, rather than the technicali￾ties of how data is exchanged. ✓ You can use the dictionary to help translate between messages that use different syntaxes, and to solve other kinds of problems where a shared understanding of the business is important, such as internal system integration. ✓ Although ISO 20022 messages are mostly exchanged in XML, ISO 20022 doesn’t depend on a specific message syntax, so if a different syntax is required to satisfy a business or technical requirement, or a new syntax emerges, ISO 20022 can accommodate it. ✓ ISO 20022 adoption is gathering pace in major markets around the world. ✓ ISO 20022 is an open standard that anyone can use, and to which anyone can contribute. 08_972823-ch06.indd 46 8/9/10 10:02 AM

Chapter 7
Ten Useful Links for
Standards Implementers
Feel like you’ve learnt a lot about ISO 20022 but want to know more? Here is a list of useful URLs for ISO and other standards bodies. ✓ ISO 20022 www.iso20022.org ✓ SWIFT www.swift.com ✓ ISO 15022 www.iso15022.org ✓ FIX Protocol Limited www.fixprotocol.org ✓ Financial products Markup Language (FpML) www.fpml.org ✓ eXtensible Business Reporting Language (XBRL) www.xbrl.org ✓ Unified Modeling Language (UML) www.uml.org ✓ Extensible Markup Language (XML) www.w3.org/XML ✓ International Securities Association for Institutional Trade Communication (ISITC) www.isitc.org ✓ Standards Developer Kit (tools for implementers) www.swift.com/drc 09_972823-ch07.indd 47 8/9/10 10:02 AM

Appendix
Glossary
ACH: Automated Clearing House that is used to clear retail payments between banks in a country or region. Business components and elements: Business concepts used and processed to perform the various financial activities, such as ‘Account’, ‘Trade’, and ‘Party’. Business components are usually characterised by a series of ‘business elements’. For example, a ‘Trade’ will be characterised by business elements such as Trade Date, Trade Time, Trade Price and Trade Place. Business justification: Document prepared by an organisation wishing to develop and register ISO 20022 messages. The doc￾ument describes the messages to be developed, the purpose, and benefits for the industry. It is submitted for the approval of the ISO 20022 Registration Management Group (RMG). Coexistence: The situation of multiple standards existing at the same time in the same business space. Within SWIFT, this refers to the coexistence between the MT and MX standards. This also refers to the set of measures being taken to make the situation easier to handle by the community (publication of mapping rules, translation services…). Components: See Business components and message components Corporate action: An event initiated by a public company that affects the securities issued by the company. Also refers to the sub-domain of the financial services industry related to the management of such events. CSD: A Central Securities Depository (CSD) -an organisation holding securities to enable book entry transfer of securities. The physical securities may be immobilised by the depository, 10_972823-bapp01.indd 48 8/9/10 10:02 AM

Appendix: Glossary 49
or securities may be dematerialised (so that they exist only as electronic records). Dictionary: Part of the ISO 20022 Repository that contains all items that can be re-used during business modelling and mes￾sage definition activities. EAI: Enterprise Application Integration - middleware to con￾nect applications and communication interfaces. Typical EAI software includes features for mapping data between various formats, enriching messages with data from other systems and orchestrating message flows. FIN: The messaging service offered by SWIFT for the secure and reliable exchange of MT messages in store-and-forward mode. By extension, the syntax used to format these MTs. FIX: Financial Information eXchange - a communication proto￾col designed by the FIX Protocol Limited (FPL) for transmis￾sion of messages in specific areas of the securities processing lifecycle, for example the pre-trade and trade spaces. FpML: Financial products Mark-up Language a primarily XML based communication protocol dedicated to OTC deriva￾tive contracts processing lifecycle. FpML is owned by the International Swaps and Derivatives Association (ISDA). Giovannini Protocol: In its 2003 report, the Giovannini Group, as advisor to the European Commission, published a report identifying 15 barriers to efficient EU cross-border clearing and settlement. The Giovannini Group under the chairman￾ship of Dr. Alberto Giovannini, CEO of UNIFORTUNE SGR SpA, stated that SWIFT, through the Securities Market Practice Group (SMPG), should define a solution to eliminate Barrier 1, which cites national differences in information technology and interfaces used by clearing and settlement providers. Interoperability: Capability to easily exchange business infor￾mation while using different message standards. ISO 20022 promotes global use of syntax-neutral business and message components as a common denominator to achieve interoper￾ability between standards using different syntaxes. ISO: The International Organization for Standardization -an international standard-setting body, composed of representa￾tives from more than 160 national standards organisations 10_972823-bapp01.indd 49 8/9/10 10:02 AM

50 ISO 20022 For Dummies that promulgates worldwide standards in a variety of domains aiming at facilitating cross-border exchanges of goods, serv￾ices and techniques. ISO 15022: An ISO standard that describes the syntax to be used for developing securities messages used mainly to sup￾port back office related transaction flows. It replaced the pre￾vious securities messaging standard ISO 7775. ISO 20022 RA: Registration Authority - offers the services described in an ISO standard on behalf of and under a con￾tractual agreement with the International Organization for Standardization. ISO 20022 Repository: Repository maintained by the ISO 20022 RA which contains the financial business models, mes￾sage definitions and components defined in compliance with the ISO 20022 standard. ISO 20022 RMG: Registration Management Group - in charge of the overall management of the ISO 20022 development and reg￾istration process in accordance with the ISO 20022 standard. ISO 20022 SEG: Standards Evaluation Groups -in charge of validating candidate ISO 20022 messages within the scope of the business justification and ensuring that they address the needs of their future international community of users. Message: A set of structured information exchanged between two parties involved in a financial transaction. Message component and element: A re-usable data structure used for assembling message definitions. The data defined in a message component is ‘traced’ back to the business compo￾nents and business elements. In simple terms, business com￾ponents define the business meaning, message components create data structures for messaging. MI: Market Infrastructure - a system that provides services to the financial industry for trading, clearing and settlement, matching of financial transactions, and depository functions. Middleware: Software that enables data to be exchanged among different systems with standard communication com￾ponents and tools for formatting, mapping, and processing. 10_972823-bapp01.indd 50 8/9/10 10:02 AM

Appendix: Glossary 51
MT: The traditional ‘:tag:value’ Message Types for use on the FIN service offered by SWIFT. MX: An XML message exchanged over SWIFTNet, whether or not ISO 20022 compliant. RTGS: Real Time Gross Settlement System. Semantics: The study of meaning, usually in language. The word is often used in ordinary language to denote a problem of understanding that comes down to word selection or connotation. SEPA: Single Euro Payment Area. SWIFT: Society for Worldwide Interbank Financial Telecommunication. Visit www.swift.com. SWS: Standards Work Station -developed by SWIFT to support SWIFT’s development of ISO 20022 compliant models and messages. SWS Lite: ‘Lite’ version of the Standards Work Station, devel￾oped by SWIFT and offered to submitting organisations. Syntax: Physical format of a message used to identify and represent the conveyed pieces of information. T2S: TARGET2 Securities – an initiative of the Eurosystem. It is an IT platform that aims to make settlements across national borders simpler and more cost-efficient. TARGET2: The Eurosystem-owned European Real Time Gross Settlement (RTGS) system. TARGET2 is one of the largest high-value payment systems in the world. Taxonomy: The classification in a hierarchical system, typi￾cally organised by supertype-subtype relationships, also called generalization-specialization relationships, or less for￾mally, parent-child relationships. TC 68: ISO Technical Committee 68 in charge of all ISO stan￾dards to support financial services. 10_972823-bapp01.indd 51 8/9/10 10:02 AM

52 ISO 20022 For Dummies
Translation rules: Set of rules to be used to map the pieces of information included in a message expressed in one syntax to the equivalent message expressed in another syntax. UML: The Unified Modeling Language, the visual modelling language used in ISO 20022 to represent the industry business and the message definitions. WG4: ISO TC68 ‘Working Group 4’, international working group of experts set up by TC68 to revise and maintain the ISO 20022 standard and its technical specifications, as needed. XBRL: eXtensible Business Reporting Language – an open data standard for financial reporting. XML: eXtensible Mark-up Language – popular syntax to encode documents (or messages) electronically on the Internet. XML allows communities to define their own identifiers (or tags) and format (or data type) for each component of a message. 10_972823-bapp01.indd 52 8/9/10 10:02 AM

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ISO 20022 brings profound benefits to the financial services industry, as it realises end- to- end processing across domains and geographies that currently use vastly different standards and information formats. In this book you will learn the key ideas behind ISO 20022, and what makes it different from other financial standards. You will also learn how to put ISO 20022 to work in your organisation, and benefit from its advanced features. ISBN: 978-0-470-97282-3 Not for resale ISO 20022 provides a common platform for developing financial industry standards Find listings of all our books Choose from many different subject categories Sign up for eTips at etips.dummies.com Explanations in plain English “Get in, get out” information Icons and other navigational aids Top ten lists A dash of humour and fun ISO 20022 is different! Find out how inside Understand how ISO 20022 can help you define and communicate your business information Implement ISO 20022 in your organization Contribute to ISO 20022’s goal of unifying standards in the financial services industry