The French Autorité des marchés financiers (AMF) issued this position to clarify the definitions and impacts of market timing and late trading practices in collective investment schemes. The document outlines the specific due diligence obligations required of management companies, centralizers, and distributors to mitigate associated risks. Although the text has not been updated to reflect the legal separation of investment firms and portfolio management companies under MiFID II, it remains a key reference for understanding these specific trading abuses.