Vehicle is dismantled or modified in a manner which may affect its safety or eligibility or is involved in any incident which is likely to have a similar effect or is driven in Practice or Competition at another Event it shall be represented for approval. The Entrant shall be responsible for seeking such fresh approval.
4.2. Any Vehicle involved in an incident which is rendered unable to proceed or where any person is injured must not be touched by any person other than Officials without the specific approval of the Clerk of the Course. The Driver concerned may not participate again without the approval of the Chief Medical Officer.
4.3. No Vehicle taking part in an Event may be taken away from the Circuit before the final technical checks have been concluded for that session and Vehicles released from Parc Fermé without the prior authority of the Chief Scrutineer who will report such to the Clerk of the Course.
4.4. The Organising Committee may request the Clerk of the Course to verify the eligibility of a Vehicle by requiring it to Practice.
5. Competition Numbers
5.1. Vehicles will be identified by means of a Competition Number allocated by the Organisers and displayed as specified in Ch. 7. The use of“ 0” or“ 00” is prohibited unless preceded by any number 1 to 9.
5.2. The numbers shall be in position before the Vehicle is presented for scrutiny and will be subject to approval as to position, legibility and size. Modifications may be required as a result of observations during Practice.
5.3. Competition Numbers must be covered at all times when driving on the Public Highway.
5.4. The Chief Timekeeper may decline to record the performance of any vehicle whose Competition Numbers are not readily apparent to the lap recorders.
5.5. On any Vehicle driven by a person who has not received six car race or Hot Lap Challenge signatures on their Competition Licence there shall be on the back of the car a yellow square 7in x 7in with a black diagonal cross with strokes 6in long and 1in wide.
5.6. The Organisers may in addition to the number format provided in Ch. 7 App 10 also permit Competition Numbers to be moved to the rear side windows( above the drivers’ name) on the Vehicle in which case.
5.7. The numbers for each rear side window, shall be:
a. b. a minimum of 200mm high with a stroke width of at least 20mm c. coloured reflective yellow.
5.8. In addition the windscreen of these Vehicles must display the Competition Numbers positioned on the upper area of the Passenger’ s side of the windscreen, as follows:
a. b. c. the numerals must be at least 150mm high be in the same colour and font as those displayed on the rear side windows
be placed no closer than 50mm from the lower edge of the windscreen“ sun- strip” and 50mm from the side edge of the windscreen.
Competition Restrictions 6. Drivers
6.1. Ensure that during Practice and the Competition no team personnel are allowed on the Track with the exception of Art. 9.2 below.
6.2. When a Vehicle is at its designated pit, team personnel( in accordance with Art. 10.3 below) may work on the Vehicle. Should there be an approved signalling area one Timekeeper and one signaller for each Vehicle may be in this area.
Motorsport UK National Competition Rules 2026 Edition 1
Chapter 14 Appendix 5- Specific Regulations for Hot Lap Challenge 547