Supplementary Regulations Parts One and Two have been distributed and are available (as well as the Application to Enter process) at

If you are planning on entering, note that the official close off date is 5pm on Friday 13th January 2023.

The organisers give a full refund if you withdraw before 10am on Wednesday 18th January 2023, so for the benefit of organisers and other competitors enter now.

For spectators, testing on Friday 20th January is an additional $200 per competitor (qualifying on Saturday 21st) so the number of vehicles on track on the Friday may be reduced in comparison with past years.