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ExternalMarketInfrastructure1Code

ACH Code: ACH

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ACH means ach in the ISO 20022 market infrastructure code set. Automated Clearing House. Payment system that clears cash transfers and settles the proceeds in a lump sum, usually on a multilateral netting basis.

Code
ACH
ISO name
ACH
Status
Registered
Last updated
2018-11-01

Official definition

Automated Clearing House. Payment system that clears cash transfers and settles the proceeds in a lump sum, usually on a multilateral netting basis.

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

Messages and fields that use ExternalMarketInfrastructure1Code

MessageElement path
camt.006RptOrErr/BizRpt/PmtCmonInf/PmtFr/SysId/Cd, RptOrErr/BizRpt/PmtCmonInf/PmtTo/SysId/Cd, RptOrErr/BizRpt/TxRpt/TxOrErr/Tx/PmtTo/SysId/Cd, RptOrErr/BizRpt/TxRpt/TxOrErr/Tx/PmtFr/SysId/Cd
camt.009LmtQryDef/LmtCrit/NewCrit/SchCrit/SysId/MktInfrstrctrId/Cd
camt.010RptOrErr/BizRpt/CurLmt/LmtId/SysId/MktInfrstrctrId/Cd, RptOrErr/BizRpt/DfltLmt/LmtId/SysId/MktInfrstrctrId/Cd
camt.011LmtDtls/LmtId/Cur/SysId/MktInfrstrctrId/Cd, LmtDtls/LmtId/Dflt/SysId/MktInfrstrctrId/Cd, LmtDtls/LmtId/AllCur/SysId/MktInfrstrctrId/Cd, LmtDtls/LmtId/AllDflt/SysId/MktInfrstrctrId/Cd
camt.012LmtDtls/CurLmtId/SysId/MktInfrstrctrId/Cd, LmtDtls/AllCurLmts/SysId/MktInfrstrctrId/Cd
camt.018BizDayInfQryDef/Crit/NewCrit/SchCrit/SysId/MktInfrstrctrId/Cd
camt.019RptOrErr/BizRpt/SysId/MktInfrstrctrId/Cd
camt.023Cdtr/SysId/MktInfrstrctrId/Cd, CdtrAgt/SysId/MktInfrstrctrId/Cd, DbtrAgt/SysId/MktInfrstrctrId/Cd

And 10 more messages: see the ExternalMarketInfrastructure1Code page.

ACH in other code sets

ACH questions

What does ACH mean in ISO 20022?
ACH is ACH in the ExternalMarketInfrastructure1Code code set: Automated Clearing House. Payment system that clears cash transfers and settles the proceeds in a lump sum, usually on a multilateral netting basis.
Where does ACH appear in a message?
For example in camt.006, element RptOrErr/BizRpt/PmtCmonInf/PmtFr/SysId/Cd.

All ExternalMarketInfrastructure1Code 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.