Short summary in English:
The process to start the „Rückmeldung“ (re-registration) has changed last summer. The fee now has to be paid via myCampus. There you can pay with Paypal, MasterCard, Visa or Lastschrift i. e. IBAN. On myCampus go to the black box „Meine Gebühren“, choose the right semester and follow the blue „Bezahlen“-Button. The process might take a moment, please be patient and do not start the process again. You find a step by step description here.
Deadline: 31. January 2025. Fee amount is 85,- Euro.
Please see the German version for more information.