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ExternalProxyAccountType1Code

OSID Code: Other Scheme Identification Number

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OSID means other scheme identification number in the ISO 20022 proxy account type code set. Additional scheme identifier used to complement the primary scheme identification so that banks can apply respective validations of the proxy value as per the Type code provided.

Code
OSID
ISO name
OtherSchemeIdentificationNumber
Status
Registered
Last updated
2026-08-28

Official definition

Additional scheme identifier used to complement the primary scheme identification so that banks can apply respective validations of the proxy value as per the Type code provided.

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

Messages and fields that use ExternalProxyAccountType1Code

MessageElement path
pacs.002TxInfAndSts/OrgnlTxRef/DbtrAcct/Prxy/Tp/Cd, TxInfAndSts/OrgnlTxRef/CdtrAcct/Prxy/Tp/Cd, TxInfAndSts/OrgnlTxRef/DbtrAgtAcct/Prxy/Tp/Cd, TxInfAndSts/OrgnlTxRef/CdtrAgtAcct/Prxy/Tp/Cd
pain.002OrgnlPmtInfAndSts/TxInfAndSts/OrgnlTxRef/DbtrAcct/Prxy/Tp/Cd, OrgnlPmtInfAndSts/TxInfAndSts/OrgnlTxRef/CdtrAcct/Prxy/Tp/Cd, OrgnlPmtInfAndSts/TxInfAndSts/OrgnlTxRef/DbtrAgtAcct/Prxy/Tp/Cd, OrgnlPmtInfAndSts/TxInfAndSts/OrgnlTxRef/CdtrAgtAcct/Prxy/Tp/Cd
pacs.004TxInf/RtrChain/DbtrAcct/Prxy/Tp/Cd, TxInf/RtrChain/CdtrAcct/Prxy/Tp/Cd, GrpHdr/SttlmInf/SttlmAcct/Prxy/Tp/Cd, TxInf/OrgnlTxRef/DbtrAcct/Prxy/Tp/Cd
camt.056Undrlyg/TxInf/OrgnlTxRef/DbtrAcct/Prxy/Tp/Cd, Undrlyg/TxInf/OrgnlTxRef/CdtrAcct/Prxy/Tp/Cd, Undrlyg/TxInf/OrgnlTxRef/DbtrAgtAcct/Prxy/Tp/Cd, Undrlyg/TxInf/OrgnlTxRef/CdtrAgtAcct/Prxy/Tp/Cd
camt.029ModDtls/OrgnlTxRef/DbtrAcct/Prxy/Tp/Cd, ModDtls/OrgnlTxRef/CdtrAcct/Prxy/Tp/Cd, ModDtls/OrgnlTxRef/DbtrAgtAcct/Prxy/Tp/Cd, ModDtls/OrgnlTxRef/CdtrAgtAcct/Prxy/Tp/Cd
pacs.008CdtTrfTxInf/DbtrAcct/Prxy/Tp/Cd, CdtTrfTxInf/CdtrAcct/Prxy/Tp/Cd, CdtTrfTxInf/DbtrAgtAcct/Prxy/Tp/Cd, CdtTrfTxInf/CdtrAgtAcct/Prxy/Tp/Cd
pacs.009CdtTrfTxInf/DbtrAcct/Prxy/Tp/Cd, CdtTrfTxInf/CdtrAcct/Prxy/Tp/Cd, CdtTrfTxInf/DbtrAgtAcct/Prxy/Tp/Cd, CdtTrfTxInf/CdtrAgtAcct/Prxy/Tp/Cd
pain.001PmtInf/DbtrAcct/Prxy/Tp/Cd, PmtInf/ChrgsAcct/Prxy/Tp/Cd, PmtInf/DbtrAgtAcct/Prxy/Tp/Cd, PmtInf/CdtTrfTxInf/CdtrAcct/Prxy/Tp/Cd

And 116 more messages: see the ExternalProxyAccountType1Code page.

OSID questions

What does OSID mean in ISO 20022?
OSID is Other Scheme Identification Number in the ExternalProxyAccountType1Code code set: Additional scheme identifier used to complement the primary scheme identification so that banks can apply respective validations of the proxy value as per the Type code provided.
Where does OSID appear in a message?
For example in camt.056, element Undrlyg/TxInf/OrgnlTxRef/DbtrAcct/Prxy/Tp/Cd.

All ExternalProxyAccountType1Code 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.