The Administration of the GBA is subdivided in the fields of “Logistics and Accounting” and “Facility Support” and is part of the Division of Central Services.

The manifold duties of the Administration can be combined under the term “Handling all administrative and organizational issues". They are briefly listed in the house regulation of the GBA. First of all they are defined by the ongoing change of legal conditions as well as by the demands coming from other organisational units concerning the requirements on fulfilling of their duties.