Site Opening Statement (DOC)

Verified 11 August 2025 - Directorate of Legal and Administrative Information (Prime Minister)

You have just received the city planning authorization (building permit or planning permit) and you wonder if it is necessary to declare the opening of the site? We explain how to proceed.

FYI  

If the work is the subject of a advance declaration of work (RFP) or a permit to demolish, you must not declare the opening of the site.

The RFSO is a document indicating the commencement of work to the town hall.

It must be sent at the beginning of the work.

Please note

There's no no legal definition the concept of commencement of work.

If you have a building permit u one planning permission, you must declare the opening of your site to the town hall.

DOC's approach varies depending on whether you are in the provinces or in Paris.

General case

You must file your DOC in town hall:

  • By dematerialized means according to the arrangements made by your municipality (find out more on the website of the town hall or on site)
  • By letter RAR: titleContent
  • Hand-held.

On the internet

You can submit your DOC online:

Assistance with your planning permission application

Form

You can complete your DOC using a form:

Declaration of the opening of the site

Who shall I contact
In Paris

You must file your DOC at Basu: titleContent by dematerialized means:

Reception and user service office (Basu) in Paris: one-stop shop

Assistance with your planning permission application

Who can help me?

Find who can answer your questions in your region

  • For more information

    Administrative information by phone - Allô Service Public

    • accès

      For more information on this subject, you can contact Allô Service Public.

      Attention: the service does not have access to users' personal files and therefore cannot provide information on their progress.

    • horaires
      • Lundi : de 08h30 à 17h30
      • Mardi : de 08h30 à 12h15
      • Mercredi : de 08h30 à 12h15
      • Jeudi : de 08h30 à 17h30
      • Vendredi : de 13h00 à 16h15

    • Request a call

      coût Service free
    • service

      The informants who answer you belong to the ministry in charge of housing and city planning.

  • For information on your file

    Town Hall

  • For information on your file

    Paris: Reception and user service office (Basu)