Permission to operate a prostitution vehicle must be applied for from the competent authority.

§ Section 12 (4) of the Prostitution Protection Act (ProstSchG):
The operation of a prostitution vehicle requires a permit from the competent authority. The permit is only issued for a limited period of time.
The permit can be extended upon application.

§ Section 12 (4) of the Prostitution Protection Act (ProstSchG):
Permission to operate a prostitution vehicle is granted for a specific vehicle with specific equipment.

If the requirements are met, there is a legal entitlement to the granting of a permit to operate a prostitution vehicle.