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If you start using a building, you must notify the competent authority.

As a building owner, you must notify the authorities when you start to use a building.

If your building is exempt from procedures, you do not have to notify the start of use. Your building is exempt from procedures if you do not require a permit for the construction, conversion or other structural changes.

• Confirmation or certification that the construction was carried out correctly and that the stability and load-bearing capacity of the building is guaranteed
• Confirmation or certification that the building meets the fire protection requirements
• Form for notification of commencement of use

You have erected or modified a building that is not exempt from the building regulations and would like to use it soon.

Submit the notification electronically via the online service or in writing on paper using the form.

If you use the online service, proceed as follows:

• Log in with your user account. To submit an application as a private individual, you need a BundID account. If you are applying on behalf of an organization (company, authority, etc.), you will need a "My company account".
• Complete the online form.
• Add the required documents.
• Submit the notification of commencement of use to the responsible lower building supervisory authority.
• If documents are missing or there are other ambiguities, you will be asked to rectify these.
• In this case, submit the missing or amended documents and/or the clarification.
• The lower building supervisory authority will check your notification of commencement of use. If the lower building supervisory authority or other authorities do not intervene to avert danger, you can commence use.

Immediately after receipt of the documents

The notification must be made before the start of use.

You may not use the building until access roads, water supply and wastewater disposal systems and communal facilities are safe to use.

You may only use fireplaces once the district chimney sweep has confirmed their safety. The same applies to combustion engines and combined heat and power units.

Please note that failure to report the start of use is an administrative offense and can be punished with a fine.

There is no legal remedy.

• Impending use of the building must be notified at least two weeks before use begins
• The facility may only be used when:
  • access roads, water supply and waste water disposal systems and communal facilities are safe to use
  • fireplaces, combustion engines or combined heat and power units have been tested

Lower building supervisory authority