My studies are going well, now I just need to extend my visa at the immigration office in my place of residence. In Wuppertal, an appointment must be made for this. This is usually necessary once a year.
International Office
The International Office at the university can also help in problematic cases. International students who had to provide proof of a certain amount of money as security to finance their studies before entering Germany should bear in mind that they may be asked to provide proof of this amount again during the study phase.
Ausländerbehörde
The Foreigners' Registration Office of the City of Wuppertal provides information on residence permits for study and training.
Further sources of information:
DAAD
Merkblätter des DAAD
BfD (Bundesbeauftragter für Datenschutz)
Bundesrecht
Einreiserecht