What does AB13 mean in ISO 20022?

AB13 is Invalid Routing Code Utilised in the ExternalRejectedReason1Code code set: Invalid routing code send by participant to settlement operator.

ExternalRejectedReason1Code

AB13 Reason Code: Invalid Routing Code Utilised

Written and maintained by ZagTrader. Last reviewed 21 October 2026. How this page is sourced and checked

AB13 means invalid routing code utilised in the ISO 20022 rejected reason code set. Invalid routing code send by participant to settlement operator.

Code: AB13
ISO name: InvalidRoutingCodeUtilised
Status: Registered
Last updated: 2021-08-31

Official definition

Invalid routing code send by participant to settlement operator.

Definition from the ISO 20022 External Code Sets, 2Q2026 (published 28 Aug 2026).

Messages and fields that use ExternalRejectedReason1Code

Message	Element path
reda.058	versions 001.01

AB13 in other code sets

AB13 in ExternalStatusReason1Code

AB13 questions

What does AB13 mean in ISO 20022?: AB13 is Invalid Routing Code Utilised in the ExternalRejectedReason1Code code set: Invalid routing code send by participant to settlement operator.

All ExternalRejectedReason1Code codes · ISO 20022 code sets

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