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ExternalPurpose1Code

COMC Purpose Code: Commercial Payment

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COMC means commercial payment in the ISO 20022 purpose code set. Transaction is related to a payment of commercial credit or debit. (formerly CommercialCredit).

Code
COMC
ISO name
CommercialPayment
Status
Registered
Last updated
2007-09-01

Official definition

Transaction is related to a payment of commercial credit or debit. (formerly CommercialCredit).

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

Messages and fields that use ExternalPurpose1Code

MessageElement path
pacs.002TxInfAndSts/OrgnlTxRef/Purp/Cd
pain.002OrgnlPmtInfAndSts/TxInfAndSts/OrgnlTxRef/Purp/Cd
pacs.004TxInf/OrgnlTxRef/Purp/Cd, TxInf/OrgnlTxRef/UndrlygFICdtTrf/Purp/Cd, TxInf/OrgnlTxRef/UndrlygCstmrCdtTrf/Purp/Cd, TxInf/OrgnlTxRef/UndrlygFICdtTrf/UndrlygAllcn/Purp/Cd
camt.056Undrlyg/TxInf/OrgnlTxRef/Purp/Cd
camt.029StmtDtls/Purp/Cd, ModDtls/OrgnlTxRef/Purp/Cd, CxlDtls/TxInfAndSts/OrgnlTxRef/Purp/Cd, CxlDtls/OrgnlPmtInfAndSts/TxInfAndSts/OrgnlTxRef/Purp/Cd
pacs.008CdtTrfTxInf/Purp/Cd
pacs.009CdtTrfTxInf/Purp/Cd, CdtTrfTxInf/UndrlygAllcn/Purp/Cd, CdtTrfTxInf/UndrlygFICdtTrf/Purp/Cd, CdtTrfTxInf/UndrlygCstmrCdtTrf/Purp/Cd
pain.001PmtInf/CdtTrfTxInf/Purp/Cd
camt.053Stmt/Ntry/NtryDtls/TxDtls/Purp/Cd, Stmt/Ntry/NtryDtls/TxDtls/UndrlygAllcn/Purp/Cd
camt.054Ntfctn/Ntry/NtryDtls/TxDtls/Purp/Cd, Ntfctn/Ntry/NtryDtls/TxDtls/UndrlygAllcn/Purp/Cd

And 29 more messages: see the ExternalPurpose1Code page.

COMC questions

What does COMC mean in ISO 20022?
COMC is Commercial Payment in the ExternalPurpose1Code code set: Transaction is related to a payment of commercial credit or debit. (formerly CommercialCredit).
Where does COMC appear in a message?
For example in camt.056, element Undrlyg/TxInf/OrgnlTxRef/Purp/Cd.

All ExternalPurpose1Code 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.