The important deadlines are as follows. For details, see the Annual Regulations.
- 16 October 2020: official confirmation of participation and registration of number of Contestants
- 30 October 2020: receipt of problem proposals firstname.lastname@example.org
- 18 December 2020: application for Observers and application for single rooms
- 1 March 2021: registration of Participants and all travel details
- 1 March 2021: payment of fees