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Saint Martin (French part)

Saint Martin (French part) is a fiscally autonomous French overseas collectivity. For CRS-style TIN collection, individuals use a Saint-Martin-specific NIF made of one or more digits followed by a letter, while entities use French SIREN or SIRET numbers. Local professional tax and platform-reporting guidance also uses a TGCA-related NIF for professional taxpayers.

MF MAF 4 TIN types Last reviewed 2026-06-05

TIN types

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

Validate MAF TIN
Saint-Martin Individual Tax Identification Number (NIF)
Current Individuals

Centre des finances publiques de Saint-Martin (Saint-Martin Public Finance Centre)

Personal NIF used for Saint-Martin individual taxpayers under the territory-specific CRS guidance.

Details
Examples
12345A
Where to find it

On documents or declarations sent by the Saint-Martin tax administration.

Common names
NIF Numéro d'identification fiscale
Structure
1 to penultimate Numeric part One or more digits assigned by the tax administration.
Final Letter Final letter forming part of the identifier.
Official source
oecd.org impots-saint-martin.fr
Saint-Martin Professional Tax Identification Number (TGCA NIF)
Current Individuals Entities

Centre des finances publiques de Saint-Martin (Saint-Martin Public Finance Centre)

Fiscal identification number used in Saint-Martin professional tax processes, including TGCA declarations and platform-reporting identification for professional users.

Details
Examples
12345
Where to find it

On Saint-Martin professional tax correspondence, TGCA-related forms, and professional declaration references.

Common names
NIF N° TGCA TGCA NIF Numéro d'identification fiscale
Official source
impots-saint-martin.fr
French SIREN Number
Current Entities

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

Nine-digit French business identifier used as one of the entity TINs for Saint-Martin in official CRS guidance.

Details
Examples
200 034 528
Where to find it

On business registration records, accounting documents, tax returns, and French public business-register records.

Common names
SIREN Numéro SIREN
Structure
1-9 SIREN Nine-digit identifier of the enterprise or legal unit.
Official source
oecd.org entreprendre.service-public.gouv.fr xml.insee.fr github.com
French SIRET Number
Current Entities

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

Fourteen-digit French establishment identifier used as one of the entity TINs for Saint-Martin in official CRS guidance.

Details
Examples
200 034 528 00014
Where to find it

On establishment registration records, accounting documents, tax returns, and French public business-register records.

Common names
SIRET Numéro SIRET
Structure
1-9 SIREN Identifier of the enterprise or legal unit.
10-14 NIC Internal establishment code identifying a specific establishment.
Official source
oecd.org entreprendre.service-public.gouv.fr xml.insee.fr github.com