ISO 20022 · Rejected reason

AB21Invalid Settlement Agreement Number Specified

Registered in sourceSource release: August 2026 (v3)

Published definition

Processing interbank batch settlement instruction with invalid agreement number for settlement type.

Additional source information

CR1054

Code set and usage

Rejected reason contains 25 registered codes. Its exact identifier is ExternalRejectedReason1Code.

Specifies the reason for a rejected status The list of valid codes is an external code list published separately. External code sets can be downloaded from www.iso20022.org.

Use the code with the applicable message version and implementation guide. A matching code value alone does not establish the same meaning in another set.

View 1 published message reference

This code in other sets 1

These share the characters AB21. Their meanings belong to their respective sets.