Circular Letter No. 3.979

The Head of the Department of Prudential and Foreign Exchange Regulation (Dereg), using the powers conferred upon him by art. 23, item I, subitem "a" and art. 118, item II, subitem "a" of the Internal Regulations of the Central Bank of Brazil, annexed to Administrative Rule No. 84.287, of 27 February 2015, and based on the provisions of art. 128-B of Circular No. 3.691, of 16 December 2013, amended by Circular No. 3.918, of 28 November 2018,

R E S O L V E:

Art. 1 For the purposes of the provisions of art. 128-B of Circular No. 3.691, of 16 December 2013, amended by Circular No. 3.918, of 28 November 2018, issuers of internationally used cards must disclose information on the conversion rates from United States dollars to reais related to expenses in foreign currency, observing that:

• I – the information or the option to consult the previous day's conversion rate referred to in item I of art. 128-B of Circular No. 3.691, of 2013, inserted by Circular No. 3.918, of 2018, must:

  • a) be available in the remote customer service channels, including by electronic means, with direct public access in the menu related to internationally used cards; and

  • b) present the conversion rate with four decimal places;

• II – the information on the history of conversion rates referred to in item II of art. 128-B of Circular No. 3.691, of 2013, inserted by Circular No. 3.918, of 2018, must:

  • a) be disclosed both in open data format, according to the technical specification disclosed by the Central Bank of Brazil, and in final format for direct use by the public;

  • b) until 30 August 2020, cover the conversion rates practiced, at least, from 1 March 2020;

  • c) from 1 September 2020, cover the conversion rates practiced, at least, in the last 180 days;

  • d) contain an option to consult the last available conversion rate; and

  • e) present the conversion rates with four decimal places;

• III – the disclosure of the conversion rates provided for in items I and II must be carried out regardless of user identification or authentication.

Art. 2. This Circular Letter enters into force on the date of its publication.

Ricardo Franco Moura
Head