On 16 December 2019, the Bank of England (BoE) updated its webpage on the new messaging standard for UK payments, ISO 20022 in relation to the introductory phase of the ISO 20022 CHAPS migration.

The BoE has published the final ‘like-for-like’ message set for the Introductory Phase of the ISO 20022 CHAPS migration. This documentation contains additional information on the BoE’s migration approach, including updates on the use of enhanced data messages, testing and work to ensure participant readiness.

The BoE has also published a separate update explaining the impact of these changes to Real‐Time Gross Settlement account holders and on ISO Collaboration between Pay.UK and the Bank of England on ISO 20022 payment messages.