Where does RC01 appear in a message?

For example in pain.010, element UndrlygAmdmntDtls/AmdmntRsn/Rsn/Cd.

RC01 Reason Code: Bank Identifier Incorrect

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

RC01 means bank identifier incorrect in the ISO 20022 mandate reason code set. Bank Identifier code specified in the message has an incorrect format (formerly IncorrectFormatForRoutingCode).

Code: RC01
ISO name: BankIdentifierIncorrect
Status: Registered
Last updated: 2010-11-01

Official definition

Bank Identifier code specified in the message has an incorrect format (formerly IncorrectFormatForRoutingCode).

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

Messages and fields that use ExternalMandateReason1Code

Message	Element path
pain.010	UndrlygAmdmntDtls/AmdmntRsn/Rsn/Cd
pain.011	UndrlygCxlDtls/CxlRsn/Rsn/Cd
pain.012	UndrlygAccptncDtls/AccptncRslt/RjctRsn/Cd

RC01 in other code sets

RC01 questions

What does RC01 mean in ISO 20022?: RC01 is Bank Identifier Incorrect in the ExternalMandateReason1Code code set: Bank Identifier code specified in the message has an incorrect format (formerly IncorrectFormatForRoutingCode).
Where does RC01 appear in a message?: For example in pain.010, element UndrlygAmdmntDtls/AmdmntRsn/Rsn/Cd.

All ExternalMandateReason1Code codes · ISO 20022 code sets

The ISO 20022 code names and definitions on this page are reproduced from material published at iso20022.org under the ISO 20022 Intellectual Property Rights policy. This is not the official source: the up-to-date ISO 20022 standards and repository material are published only at iso20022.org. Explanations in our own words are by ZagTrader. ZagTrader is not affiliated with or endorsed by ISO or Swift.