You can find further regulations in German here:

Aerodrome Manual Berlin Brandenburg Airport (BER)

This section contains the aerodrome manual for the airport Berlin Brandenburg in accordance with Regulation (EG) 216/2008 and Regulation (EU) 139/2014.

Chapters published on this website contain general and public information. Other chapters with specific provisions for business partners are available on the airport operator’s extranet upon registration:

Terminal Rules

Information on your stay in the terminal building, security and order as well as on activities requiring approval.