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ExternalStatusReason1Code

TKSG Reason Code: Token Single Use

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TKSG means token single use in the ISO 20022 status reason code set. Single Use Token already used.

Code
TKSG
ISO name
TokenSingleUse
Status
Registered
Last updated
2019-11-01

Official definition

Single Use Token already used.

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.

TKSG in other code sets

TKSG questions

What does TKSG mean in ISO 20022?
TKSG is Token Single Use in the ExternalStatusReason1Code code set: Single Use Token already used.
Where does TKSG 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.