The important deadlines are as follows. For details, see the Annual Regulations.
- 1 October 2019: official confirmation of participation and registration of number of Contestants
- 1 October 2019: receipt of problem proposals
- 15 December 2019: application for Observers and application for single rooms
- 1 March 2020: registration of Participants and all travel details
- 1 March 2020: payment of fees