What does NIDN mean in ISO 20022?

NIDN is National Identity Number in the ExternalPersonIdentification1Code code set: Number assigned by an authority to identify the national identity number of a person.

Where does NIDN appear in a message?

For example in camt.056, element Case/Cretr/Pty/Id/PrvtId/Othr/SchmeNm/Cd.

ExternalPersonIdentification1Code

NIDN Code: National Identity Number

Written and maintained by ZagTrader. Last reviewed 21 October 2026. How this page is sourced and checked

NIDN means national identity number in the ISO 20022 person identification code set. Number assigned by an authority to identify the national identity number of a person.

Code: NIDN
ISO name: NationalIdentityNumber
Status: Registered
Last updated: 2009-04-01

Official definition

Number assigned by an authority to identify the national identity number of a person.

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

Messages and fields that use ExternalPersonIdentification1Code

Message	Element path
pacs.002	TxInfAndSts/StsRsnInf/Orgtr/Id/PrvtId/Othr/SchmeNm/Cd, OrgnlGrpInfAndSts/StsRsnInf/Orgtr/Id/PrvtId/Othr/SchmeNm/Cd, TxInfAndSts/OrgnlTxRef/CdtrSchmeId/Id/PrvtId/Othr/SchmeNm/Cd, TxInfAndSts/OrgnlTxRef/Dbtr/Pty/Id/PrvtId/Othr/SchmeNm/Cd
pain.002	GrpHdr/InitgPty/Id/PrvtId/Othr/SchmeNm/Cd, OrgnlGrpInfAndSts/StsRsnInf/Orgtr/Id/PrvtId/Othr/SchmeNm/Cd, OrgnlPmtInfAndSts/StsRsnInf/Orgtr/Id/PrvtId/Othr/SchmeNm/Cd, OrgnlPmtInfAndSts/TxInfAndSts/StsRsnInf/Orgtr/Id/PrvtId/Othr/SchmeNm/Cd
pacs.004	TxInf/RtrRsnInf/Orgtr/Id/PrvtId/Othr/SchmeNm/Cd, OrgnlGrpInf/RtrRsnInf/Orgtr/Id/PrvtId/Othr/SchmeNm/Cd, TxInf/OrgnlTxRef/CdtrSchmeId/Id/PrvtId/Othr/SchmeNm/Cd, TxInf/RtrChain/Dbtr/Pty/Id/PrvtId/Othr/SchmeNm/Cd
camt.056	Case/Cretr/Pty/Id/PrvtId/Othr/SchmeNm/Cd, Assgnmt/Assgnr/Pty/Id/PrvtId/Othr/SchmeNm/Cd, Assgnmt/Assgne/Pty/Id/PrvtId/Othr/SchmeNm/Cd, Undrlyg/TxInf/CxlRsnInf/Orgtr/Id/PrvtId/Othr/SchmeNm/Cd
camt.029	Assgnmt/Assgnr/Pty/Id/PrvtId/Othr/SchmeNm/Cd, Assgnmt/Assgne/Pty/Id/PrvtId/Othr/SchmeNm/Cd, ModDtls/Assgnr/Pty/Id/PrvtId/Othr/SchmeNm/Cd, ModDtls/Assgne/Pty/Id/PrvtId/Othr/SchmeNm/Cd
pacs.008	CdtTrfTxInf/Dbtr/Id/PrvtId/Othr/SchmeNm/Cd, CdtTrfTxInf/Cdtr/Id/PrvtId/Othr/SchmeNm/Cd, CdtTrfTxInf/InitgPty/Id/PrvtId/Othr/SchmeNm/Cd, CdtTrfTxInf/UltmtDbtr/Id/PrvtId/Othr/SchmeNm/Cd
pacs.009	CdtTrfTxInf/UndrlygCstmrCdtTrf/Dbtr/Id/PrvtId/Othr/SchmeNm/Cd, CdtTrfTxInf/UndrlygCstmrCdtTrf/Cdtr/Id/PrvtId/Othr/SchmeNm/Cd, CdtTrfTxInf/UndrlygCstmrCdtTrf/InitgPty/Id/PrvtId/Othr/SchmeNm/Cd, CdtTrfTxInf/UndrlygCstmrCdtTrf/UltmtDbtr/Id/PrvtId/Othr/SchmeNm/Cd
pain.001	PmtInf/Dbtr/Id/PrvtId/Othr/SchmeNm/Cd, GrpHdr/InitgPty/Id/PrvtId/Othr/SchmeNm/Cd, PmtInf/UltmtDbtr/Id/PrvtId/Othr/SchmeNm/Cd, PmtInf/CdtTrfTxInf/Cdtr/Id/PrvtId/Othr/SchmeNm/Cd

And 174 more messages: see the ExternalPersonIdentification1Code page.

NIDN in other code sets

NIDN questions

What does NIDN mean in ISO 20022?: NIDN is National Identity Number in the ExternalPersonIdentification1Code code set: Number assigned by an authority to identify the national identity number of a person.
Where does NIDN appear in a message?: For example in camt.056, element Case/Cretr/Pty/Id/PrvtId/Othr/SchmeNm/Cd.

All ExternalPersonIdentification1Code 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.