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Country guide

France

France uses the 13-digit numéro fiscal/SPI for individuals, SIREN for legal units, SIRET for establishments and professional individual activity contexts, and IDSP as a provisional DGFiP dossier identifier where no SIREN or SIRET exists.

FR FRA 4 TIN types Last reviewed 2026-05-14

TIN types

4 published formats. Open a type to see examples, structure details, and official sources.

Validate France TIN
French Tax Identification Number (NIF/SPI) - Individuals
Current Individuals

Direction générale des Finances publiques (Public Finances Directorate General)

Primary personal tax identifier assigned by the French tax administration to individuals who have tax-reporting or payment obligations in France.

Details
Examples
30 23 217 600 053
Where to find it

On the first page of the income tax return and on main tax notices, under tax-reference details; it can also be used to access the personal tax account.

Common names
NIF Numéro fiscal SPI
Structure
1-10 Identifier Core personal tax identifier.
11-13 Control key Three-digit control key.
Official source
impots.gouv.fr oecd.org
French SIREN - Entities
Current Entities

Institut national de la statistique et des études économiques (National Institute of Statistics and Economic Studies)

Nine-digit identifier assigned by INSEE to each legal unit and generally used as a French TIN for entities.

Details
Examples
422 260 208
Where to find it

On SIRENE or Annuaire Entreprises records, registration documents, and accounting documents issued after creation.

Common names
SIREN Numéro Siren
Structure
1-8 Legal-unit identifier Non-significant legal-unit number assigned once and not reused.
9 Control digit Digit used to check the validity of the SIREN.
Official source
insee.fr xml.insee.fr bofip.impots.gouv.fr oecd.org
French SIRET - Professional Persons and Entities (Establishments)
Current Individuals Entities

Institut national de la statistique et des études économiques (National Institute of Statistics and Economic Studies)

Fourteen-digit establishment identifier made from a SIREN plus a NIC; it is used for entities' establishments and as the fiscal number for auto-entrepreneurs and individual entrepreneurs.

Details
Examples
422 260 208 00026
Where to find it

On SIRENE or Annuaire Entreprises records, establishment documents, invoices or other accounting documents, and professional-account records.

Common names
SIRET Numéro Siret
Structure
1-9 SIREN Identifier of the legal unit to which the establishment belongs.
10-14 NIC Internal establishment classification number, including the final control digit.
Official source
insee.fr xml.insee.fr impots.gouv.fr assemblee-nationale.fr oecd.org
French Provisional Dossier Identifier (IDSP) - Professional Persons and Entities
Transitional Individuals Entities

Direction générale des Finances publiques (Public Finances Directorate General)

Provisional DGFiP dossier identifier used where a professional taxpayer or entity file has not yet been identified in SIRENE and official reporting guidance maps the French NIF to SIREN/SIRET or, failing that, IDSP.

Details
Examples
DCK0000R2A800W
Where to find it

In DGFiP professional-space or reporting correspondence where the tax service has assigned an IDSP pending SIRENE identification.

Common names
IDSP Identifiant provisoire du dossier
Structure
1 Prefix A letter other than P.
2-9 Dossier body Alphanumeric dossier identifier.
10-14 Pseudo-NIC Five-character establishment-style suffix.
Official source
bofip.impots.gouv.fr impots.gouv.fr assemblee-nationale.fr