A certificate according to § 4 No. 20 UStG is required by theatres or theatre groups as well as solo artists, i.e. - Actors and actresses, - dancers, - Stage directors and/or - Stage choreographers, to apply to the tax office for a VAT exemption for an event.
The purpose of development plans is to prepare and direct the construction and other use of the land. Development plans regulate, among other things, the construction and non-construction use of the land.
In order to obtain clarity about planning-relevant aspects of a construction project at an early stage, you can apply for a preliminary building permit.