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ExternalReturnReason1Code

FF04 Reason Code: Invalid Service Level Code

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FF04 means invalid service level code in the ISO 20022 return reason code set. Service Level code is missing or invalid.

Code
FF04
ISO name
InvalidServiceLevelCode
Status
Registered
Last updated
2021-08-31

Official definition

Service Level code is missing or invalid.

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

Messages and fields that use ExternalReturnReason1Code

MessageElement path
pacs.004TxInf/RtrRsnInf/Rsn/Cd, OrgnlGrpInf/RtrRsnInf/Rsn/Cd
camt.053Stmt/Ntry/NtryDtls/TxDtls/RtrInf/Rsn/Cd
camt.054Ntfctn/Ntry/NtryDtls/TxDtls/RtrInf/Rsn/Cd
camt.052Rpt/Ntry/NtryDtls/TxDtls/RtrInf/Rsn/Cd
trck.001TrckrStsAndTx/Tx/RjctRtrRsn/Rsn/Cd, TrckrStsAndTx/TxSts/RjctRtrRsn/Rsn/Cd
trck.002TrckrStsAndTx/Tx/RjctRtrRsn/Rsn/Cd, TrckrStsAndTx/TxSts/RjctRtrRsn/Rsn/Cd
trck.004TrckrStsAndTx/Tx/RjctRtrRsn/Rsn/Cd, TrckrStsAndTx/TxSts/RjctRtrRsn/Rsn/Cd

FF04 in other code sets

FF04 questions

What does FF04 mean in ISO 20022?
FF04 is Invalid Service Level Code in the ExternalReturnReason1Code code set: Service Level code is missing or invalid.
Where does FF04 appear in a message?
For example in pacs.004, element TxInf/RtrRsnInf/Rsn/Cd.

All ExternalReturnReason1Code 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.