Course (de)registration

Registration

For most courses you need to register online through Osiris. Your Solis-id is your login code for this programme. Registration for some courses is done by sending a registration request to the course coordinator. This is indicated in the course catalogue.

The Courseplanner is an online programme that helps you browse through the course catalogue and plan your study efficiently. 

The academic year has two semesters, each consisting of two periods. To be able to attend classes you need to register during the official course registration period for the courses you would like to take in each period:

Course registration 2025-2026

For period 1
  • Course registration: 2 until 20 June 2025
  • Late registration: 18 and 19 August 2025
  • Start courses: 1 September 2025
For period 2
  • Course registration: 15 until 26 September 2025
  • Late registration: 20 and 21 October 2025
  • Start courses: 10 November 2025
For period 3
  • Course registration: 3 until 21 November 2025
  • Late registration: 19 and 20 January 2026
  • Start courses: 2 February 2026
For period 4
  • Course registration: 26 January until 6 February 2026
  • Late registration: 30 and 31 March 2026
  • Start courses: 20 April 2026

The course registration opens at 9:00 hours (this was previously 0:00 hours).

Please note: registration deadlines for minors may differ from the regular registration periods for courses.

Deregistration

If you have registered for a course that you do not wish to take, please deregister again through Osiris at your earliest convenience to open up a space for a fellow student. Your dossier will show an ND (not participated) or NVD (Not Completed), should you decide to quit a course half way. This may affect your cum laude status. Rules can be found in the Education and Examination Regulations (EER, Dutch: 'OER').