Glossary · Messages

ISO 20022

Glossary entry · Last reviewed 26 July 2026

ISO 20022 is the open international standard for financial messaging, defining XML-based message types — pacs, pain, camt and others — with rich, structured data models. In payments it replaces the legacy SWIFT MT format, and from 15 November 2026 its postal addresses must be fully structured or hybrid in newly initiated cross-border payments.

How ISO 20022 works in practice

Usage guidelines profile the standard for each channel: CBPR+ for cross-border correspondent banking, HVPS+ for RTGS systems, IP+ for instant payments, and the EPC rulebooks for SEPA. The address rules those schemes enforce are consolidated in ioNova’s structured address mandate guide.

Source: the ioNova Postal Address Specification v2.0 §10.7 (Table 25 — implementation frameworks).

Sources

Standards & regulatory sources

ioNova reference material

  • ioNova ISO 20022 Postal Address — Requirements and Specifications v2.0, May 2026 — ioNova reference work consolidating the sources above. Request the specification in a demo.

See ioNova ARS in action

The complete ISO 20022 Postal Address — Requirements and Specifications Update 2026 consolidates the CPMI harmonisation requirements, the BIS PIE taskforce report, the PMPG Hybrid Postal Address whitepaper and the EPC address guidance into a single reference.

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See also