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ExternalStatusReason1Code

CNNS Reason Code: Credit Notes Not Supported

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CNNS means credit notes not supported in the ISO 20022 status reason code set. Credit notes are not supported.

Code
CNNS
ISO name
CreditNotesNotSupported
Status
Registered
Last updated
2024-12-03

Official definition

Credit notes are not supported.

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

Messages and fields that use ExternalStatusReason1Code

MessageElement path
pacs.002TxInfAndSts/StsRsnInf/Rsn/Cd, OrgnlGrpInfAndSts/StsRsnInf/Rsn/Cd
pain.002OrgnlGrpInfAndSts/StsRsnInf/Rsn/Cd, OrgnlPmtInfAndSts/StsRsnInf/Rsn/Cd, OrgnlPmtInfAndSts/TxInfAndSts/StsRsnInf/Rsn/Cd
auth.027GrpSts/StsRsn/Rsn/Cd, PackgSts/StsRsn/Rsn/Cd, PackgSts/RcrdSts/StsRsn/Rsn/Cd
camt.025RctDtls/ReqHdlg/StsRsn/Rsn/Cd
camt.111InvstgtnRspn/InvstgtnData/RspnData/TxSts/StsRsnInf/Rsn/Cd
pain.014OrgnlGrpInfAndSts/StsRsnInf/Rsn/Cd, OrgnlPmtInfAndSts/StsRsnInf/Rsn/Cd, OrgnlPmtInfAndSts/TxInfAndSts/StsRsnInf/Rsn/Cd
reda.016PtySts/StsRsn/Rsn/Cd
reda.020SctiesAcctSts/StsRsn/Rsn/Cd
reda.047SctyCSDLkSts/StsRsn/Rsn/Cd
reda.051AcctLkSts/StsRsn/Rsn/Cd

And 8 more messages: see the ExternalStatusReason1Code page.

CNNS questions

What does CNNS mean in ISO 20022?
CNNS is Credit Notes Not Supported in the ExternalStatusReason1Code code set: Credit notes are not supported.
Where does CNNS appear in a message?
For example in pacs.002, element TxInfAndSts/StsRsnInf/Rsn/Cd.

All ExternalStatusReason1Code codes · ISO 20022 code sets · pacs.002 reject reasons explained

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.