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ExternalProxyAccountType1Code

NIDN Code: National Identification Number

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NIDN means national identification number in the ISO 20022 proxy account type code set. Unique government-issued Identification used as account proxy to identify the individual or corporate for example for public benefits, government subsidies) and typically linked to the individual's / corporate bank account.

Code
NIDN
ISO name
NationalIdentificationNumber
Status
Registered
Last updated
2022-03-04

Official definition

Unique government-issued Identification used as account proxy to identify the individual or corporate for example for public benefits, government subsidies) and typically linked to the individual's / corporate bank account.

(applied for corporate or individual account proxy).

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.

NIDN in other code sets

NIDN questions

What does NIDN mean in ISO 20022?
NIDN is National Identification Number in the ExternalProxyAccountType1Code code set: Unique government-issued Identification used as account proxy to identify the individual or corporate for example for public benefits, government subsidies) and typically linked to the individual's / corporate bank account. (applied for corporate or individual account proxy).
Where does NIDN 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.