What does COU mean in ISO 20022?

COU is Columbia CUD in the ExternalCashClearingSystem1Code code set: CO (Columbia) - Colombian RTGS System named CUD (Cuentas de Depósito).

Where does COU appear in a message?

For example in camt.056, element Undrlyg/TxInf/OrgnlTxRef/SttlmInf/ClrSys/Cd.

ExternalCashClearingSystem1Code

COU Code: Columbia CUD

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

COU means columbia cud in the ISO 20022 cash clearing system code set. CO (Columbia) - Colombian RTGS System named CUD (Cuentas de Depósito).

Code: COU
ISO name: ColumbiaCUD
Status: Registered
Last updated: 2020-05-01

Official definition

CO (Columbia) - Colombian RTGS System named CUD (Cuentas de Depósito).

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

Messages and fields that use ExternalCashClearingSystem1Code

Message	Element path
pacs.002	TxInfAndSts/OrgnlTxRef/SttlmInf/ClrSys/Cd
pain.002	OrgnlPmtInfAndSts/TxInfAndSts/OrgnlTxRef/SttlmInf/ClrSys/Cd
pacs.004	GrpHdr/SttlmInf/ClrSys/Cd, TxInf/OrgnlTxRef/SttlmInf/ClrSys/Cd
camt.056	Undrlyg/TxInf/OrgnlTxRef/SttlmInf/ClrSys/Cd
camt.029	ModDtls/OrgnlTxRef/SttlmInf/ClrSys/Cd, CxlDtls/TxInfAndSts/OrgnlTxRef/SttlmInf/ClrSys/Cd, CxlDtls/OrgnlPmtInfAndSts/TxInfAndSts/OrgnlTxRef/SttlmInf/ClrSys/Cd
pacs.008	GrpHdr/SttlmInf/ClrSys/Cd
pacs.009	GrpHdr/SttlmInf/ClrSys/Cd
camt.005	TxQryDef/TxCrit/NewCrit/SchCrit/PmtTo/SysId/Cd, TxQryDef/TxCrit/NewCrit/SchCrit/PmtFr/SysId/Cd

And 17 more messages: see the ExternalCashClearingSystem1Code page.

COU in other code sets

COU in ExternalMarketInfrastructure1Code

COU questions

What does COU mean in ISO 20022?: COU is Columbia CUD in the ExternalCashClearingSystem1Code code set: CO (Columbia) - Colombian RTGS System named CUD (Cuentas de Depósito).
Where does COU appear in a message?: For example in camt.056, element Undrlyg/TxInf/OrgnlTxRef/SttlmInf/ClrSys/Cd.

All ExternalCashClearingSystem1Code codes · ISO 20022 code sets

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