When you usually need one

You may need a French tax number if you move to France, receive French-source income, become French tax resident, own French property, or have to file a first income tax return. Non-residents can also need one when they have taxable French-source income. A unique 13-digit number (often starting with 0, 1, 2, or 3) is assigned to you by the French Directorate General of Public Finance (DGFiP). You can request this identifier even before filing your first return, specifically if you have moved to France and need to set up your personal space on impots.gouv.fr. For official administrative guidelines, you can review the Service-Public guide on French tax identification.

Typical documents to prepare

  • Passport or national identity document.
  • Proof of address in France or abroad.
  • Information about your first taxable year in France.
  • French income or property documents where applicable.
  • Marriage, PACS or dependent information if relevant.

Why it matters before filing

Without the right identifier, a first tax return can become harder to track. The practical issue is not only obtaining a number, but making sure your situation, address, marital status and income categories are coherent before ORAVIA accepts a filing mission. If you are filing for the first time, you must submit a specific initial application (Form 2043 or Demande de création de numéro fiscal) so the tax office can register your civil status. For further details on the official pre-registration procedure, you can access the official DGFiP first-time arrival instructions. Without this identifier, online filing is unavailable, and paper filings may experience significant delays.

Common Real-Life Scenarios & Examples

Case A: The Newly Arrived Salaried Expat

Scenario: Mark moved from London to Paris in October to work for a French tech company. He has no French tax history. His employer applies a default, unpersonalized withholding tax rate (taux neutre) which is often higher than necessary because they lack his fiscal details.
Solution: Mark needs to submit Form 2043 with his lease agreement and passport to his local tax office (SIP) to generate his numéro fiscal. Once generated, he can log into his personal space, declare his projected income, adjust his withholding rate, and file his first annual tax return in May.

Case B: The Non-Resident Landlord

Scenario: Elena lives in Berlin but owns an apartment in Nice that she rents out as a furnished holiday let. She does not live in France and does not have a French social security or tax ID, but she has a legal obligation to report French rental income.
Solution: Elena must apply to the specialized Service des Impôts des Particuliers Non-Résidents (SIP NR) in Noisy-le-Grand to receive a non-resident tax number. This allows her to submit her rental tax forms (such as Form 2044 or 2042-C-PRO) and avoid penalties.

Case C: The Freelancer with a SIRET but No Personal Tax ID

Scenario: Chloe registered as an auto-entrepreneur via INPI and received her business SIRET number. However, she has never filed personal income taxes in France and doesn't have a personal espace particulier login.
Solution: While the SIRET identifies her business, Chloe still needs her personal 13-digit tax number to link her self-employed turnover to her household return. She must submit her auto-entrepreneur registration document (décision d'affiliation) to the SIP to create her personal tax file.

Case D: The Cross-Border Married Couple

Scenario: Jean is French and has filed taxes for years. He recently married Sarah, an American citizen who just moved to France. They want to file a joint return (as required by French law for married couples). Jean has his tax number, but Sarah does not.
Solution: Sarah must request her own tax number. Once created, Jean can add her to his existing tax dashboard on impots.gouv.fr to establish their joint foyer fiscal and file their combined global incomes.

What FiscoExpat does

The platform does not contact the tax administration on your behalf automatically. It collects your situation, documents and context, then routes the file to ORAVIA. FiscoExpat acts as your digital preparation partner. Instead of navigating complex French forms alone, our secure intake gathers all required items, formats your tax situation, and transfers your files to Sacha Juglet and the ORAVIA accounting team. Once ORAVIA reviews and accepts the engagement under its own charter, they handle the official correspondence and ensure your pre-registration is successfully validated with your local Service des Impôts des Particuliers (SIP).