ISO-20022

Universal financial industry messaging scheme. The ISO standard for financial messaging that replaces SWIFT MT and converges payments, post-trade and trade finance on an XML meta-model.

Definition

ISO 20022 is an international standard published by ISO/TC 68 (Financial services) that defines a methodology and a repository for developing financial messages:

• A UML meta-model at the conceptual level — the business components (Party, FinancialInstitution, Account, CashEntry) are reusable objects.
• A default syntax in XML Schema (XSD), with strict naming rules (camelCase, typed suffixes, max field length).
• A central repository maintained by SWIFT as the Registration Authority for ISO. The repository defines message families (Business Areas — pacs Payment Clearing & Settlement, pain Payment Initiation, camt Cash Management, seto Trade and Securities, setr Funds, auth Authorities, tsmt Trade Services Management, etc.).
• Each message carries a 4-digit reference within its family — for example pacs.008 FIToFICustomerCreditTransfer, pain.001 CustomerCreditTransferInitiation, camt.053 BankToCustomerStatement.

Origin

ISO 20022 was published in 2004 at SWIFT's instigation, having hit the limits of MT (Message Type) — sequential, short-field, frozen-by-version. SEPA (2008) made it the backbone of European credit transfers and direct debits. Since November 2022, SWIFT has begun migrating MT to ISO 20022 on high-value cross-border traffic; instant payments (SEPA Instant, Fedwire ISO 20022 in 2023, UK CHAPS in 2023, Target2 EBA in March 2023) are all ISO 20022. The end of the MT/MX coexistence is planned for November 2025 for SWIFT cross-border.

Example in context

A SEPA credit transfer from an ERP typically emits a pain.001.001.09 CustomerCreditTransferInitiation message to the bank. The bank translates to pacs.008.001.10 FIToFICustomerCreditTransfer for inter-bank clearing and emits a camt.053.001.10 BankToCustomerStatement for the statement. Three XML messages, one common meta-model, identical vocabulary throughout.

Related terms

• IBAN — the account identifier carried by ISO 20022 messages.
• SBDH — the co-specified envelope that facilitates transport.
• EDIFACT — the other UN-normed EDI family.
• FII — the EDIFACT equivalent for bank coordinates.