Local Currency Payment System (SML) regulations

This page lists the BCRA’s communications related to the Local Currency Payment System (SML), organized according to their scope and content.

The date on which each communication was issued is indicated in parentheses.

Regulatory and foreign trade and exchange framework

Communication A 7834 (09/05/2023) | Foreign trade and exchange regulations. Changes applicable to transactions processed through the SML.

Communication A 7308 (06/18/2021) | Foreign trade and exchange regulations. Changes and incorporation of Paraguay into the SML.

Communication A 6213 (03/31/2017) | Change to the foreign trade and exchange regulations, and incorporation of Uruguay into the SML.

Communication A 6037 (08/08/2016) | Change to the foreign trade and exchange regulations under Communication A 4847.

Communication A 4847 (09/26/2008) | Foreign trade and exchange regulations applicable to transactions processed through the SML.

Operational regulation by agreement

Argentina–Brazil

Communication A 4848 (09/26/2008) | SML operational regulation between Argentina and Brazil.

Argentina–Uruguay

Communication A 7835 (09/05/2023) | Changes to the SML operational regulation between Argentina and Uruguay.

Communication A 6214 (03/31/2017) | SML operational regulation between Argentina and Uruguay.

Argentina–Paraguay

Communication A 7307 (06/18/2021) | SML operational regulation between Argentina and Paraguay.

Technical requirements and updates to the system

Communication C 101966 (06/19/2026) | Agreement with Brazil. Change to the completion of the CNP field in statements, and payment and collection queries through an API.

Communication B 10702 (12/02/2013) | Changes to statement of transactions.

Communication B 10120 (06/29/2011) | Change to the time for recording transactions set out in Communication A 4848.

Communication B 9352 (09/29/2008) | Minimum technical regulations supplementing Communication A 4848.

Social security benefits

Communication B 11033 (06/11/2015) | Implementation of transactions under the Multilateral Social Security Agreement of MERCOSUR between Argentina and Brazil.

Communication C 68579 (06/11/2015) | Regulations on the recording of payment of social security benefits processed through the bilateral system between Argentina and Brazil.