LMNP and SIRET: mandatory or not in 2026?
For French furnished rentals, is a SIRET number mandatory in 2026? Yes in practice, and here is why.
Expert note: This article was written by our chartered accountancy firm. Information is current as of 2026. For a personalised review of your situation, contact us.
LMNP and SIRET: mandatory or not in 2026?
Updated March 29, 2026 - When you start a furnished rental activity in France, you generally need to declare the start of activity and obtain a SIRET number.
See also LMNP taxation, LMNP tax return package and LMNP CFE.
Acces direct : Put your LMNP on proper administrative footing
Article written by Samuel HAYOT
Chartered Accountant, registered with the Institute of Chartered Accountants.
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