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ExternalUndertakingType1Code

RETN Code: Retention

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RETN means retention in the ISO 20022 undertaking type code set. Undertaking in support of a monetary retention obligation.

Code
RETN
ISO name
Retention
Status
Registered
Last updated
2012-12-14

Official definition

Undertaking in support of a monetary retention obligation.

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

Messages and fields that use ExternalUndertakingType1Code

MessageElement path
tsin.005UdrtkgApplDtls/Tp/Cd
tsrv.001UdrtkgIssncDtls/Tp/Cd, UdrtkgIssncDtls/ReqdLclUdrtkg/Tp
tsrv.002UdrtkgIssncAdvcDtls/UdrtkgIssncMsg/UdrtkgDtls/Tp/Cd, UdrtkgIssncAdvcDtls/UdrtkgIssncMsg/UdrtkgDtls/ReqdLclUdrtkg/Tp
tsrv.003UdrtkgIssncNtfctnDtls/UdrtkgIssncMsg/UdrtkgDtls/Tp/Cd, UdrtkgIssncNtfctnDtls/UdrtkgIssncMsg/UdrtkgDtls/ReqdLclUdrtkg/Tp

RETN questions

What does RETN mean in ISO 20022?
RETN is Retention in the ExternalUndertakingType1Code code set: Undertaking in support of a monetary retention obligation.
Where does RETN appear in a message?
For example in tsin.005, element UdrtkgApplDtls/Tp/Cd.

All ExternalUndertakingType1Code 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.