ISO 20022 Message Definitions
This section gives access to the documentation related to the ISO 20022 message definitions
Please note that the Message Definition Reports (MDRs) and Message Usage Guidelines (MUG) are available at the level of the message set, not at the level of the message definition itself.
To download the MDRs, MUGs, schemas and any additional documentation, you have to select a message set (Account Switching, for example).
ATM Interface for Transaction Processing and ATM Management
ATM Card Transactions
Acquirer to Issuer Card Messages (ATICA)
Fraud Reporting and Disposition
Acquirer to Issuer Card Transactions
Card Payments Exchange - Acceptor to Acquirer
Acceptor to Acquirer Card Transactions
Card Payments Exchange - Terminal Management
Sale to POI Card Transactions
Which documents can I download from the catalogue of messages?
The following documentation is provided:
- a Message Definition Report (MDR) and, when necessary a Message Usage Guide (MUG), fully describing each message set
- the schema of each message definition
- examples of message instances, when provided by the submitting organization
- the Business Application Header (BAH) documentation.
All communities of ISO 20022 users are invited to consider using always the most recent version of the message definitions to ensure worldwide coherence of the versions in use.
Although previous versions remain available in the ISO 20022 Message Archive.
ISO 20022 Business Areas
Access the list of Business Areas defined by the Registration Authority to classify ISO 20022 Message Definitions and the corresponding four-character code used in the Message Identifier of related ISO 20022 Message Definitions