Extract from the parking place regulations
§ 49 Necessary motor vehicle parking spaces and necessary parking places for bicycles
(1) In the case of the construction, alteration or change of use of buildings and other facilities where access or departure traffic by means of motor vehicles or bicycles is to be expected, the necessary motor vehicle parking spaces or necessary parking places for bicycles specified by the municipality in a local building regulation in accordance with § 87 must be provided.
(2) The necessary motor vehicle parking spaces as well as the necessary parking places for bicycles shall be constructed on the building plot or at a reasonable distance therefrom on a suitable plot of land, the use of which for this purpose shall be secured under public law.
Summary: Decision lies with the municipalities.
Criteria: traffic, economic policy or urban planning reasons, or if parking spaces are available for general use in sufficient numbers.
(4) The municipality shall use the amount of money for the redemption of necessary motor vehicle parking spaces or necessary parking places for bicycles for the construction of additional parking facilities or the maintenance, repair or modernisation of existing parking facilities or the construction of charging infrastructure for electric vehicles, other measures to relieve the streets from stationary traffic including investment measures of local public transport and measures to improve bicycle traffic, the construction of parking facilities for the shared use of motor vehicles (car sharing).
(5) The building supervisory authority may permit necessary motor vehicle parking spaces or necessary parking places for bicycles to be constructed only within a reasonable period of time after completion of the development. It shall suspend the construction as long as and insofar as it can be proven that there is no need for necessary parking spaces or necessary parking places for bicycles and the areas required for the construction are secured for this purpose by obligatory building criteria.