p. There are restrictions concerning the use of auxilary lights which are detailed in the sporting regulations.
16.3. Have, as a minimum, a ROPS complying with Ch. 7 App. 3, Ch. 7 App. 13 Diagram 14 or 15 and longitudinal door bars complying with Ch. 7 App. 3 Art. 12( side sections Ch. 7 App. 13 Diagram 18). For Vehicles not issued with a Vehicle Passport or Competition Car Log Book prior to 1st January 2019 – and of a make and model with a conception date post 31.12.2005 – the following additional members are mandatory:
a.
Roof Reinforcement complying with Ch. 7 App. 3 Art. 13.1 and Ch. 7 App. 13 Diagram 19 a., b., c., or d.
b. Windscreen Pillar Reinforcement complying with Ch. 7 App. 3 Art. 15.1 – 15.2 on each side if Ch. 7 App. 13 Diagram 69 dimension " A " is greater than 200mm.
16.4. Be equipped with an internal switch that is capable of isolating all electrical circuits and completely stopping the engine. The operating switch must be positioned so that it can be operated by the driver and the codriver when normally seated with seat belts fastened.
16.5. Be equipped with an external circuit breaker complying with Ch. 7 App. 5 Art. 5.
16.6. Have currently FIA Homologated seat belts complying with Ch. 7 App. 7 Art. 7, Art. 8 or Art. 9( four, five or six point).
16.7. Be equipped with fire extinguishers complying with Ch. 7 App. 6 Art. 1, 3 and 4. The driver and co-driver must each be able to activate the extinguisher when normally seated with seat belts fastened.
16.8. Be fitted with front seats that were FIA homologated to FIA Standard 8855-1999, 8862-2009 or 8855- 2001 at the time of manufacture( but excluding seats for which the FIA homologation was withdrawn) complying with Ch. 7 App. 7 Art. 2.1. For National Events FIA homologated seats manufactured to FIA Standard 8855-1999 or 8855-2001 may be used for up to two years beyond the expiration of the original homologation label validity. FIA homologated seats manufactured to FIA Standard 8862- 2009 may be used until 31st December of the year stated on the label.
16.9. Have substantial underbody protection covering any area of a fuel tank exposed to running damage. 16.10. Be equipped with high-intensity horns that can be operated by the driver and the co-driver. 16.11. If a camera is carried, the fitting must be specifically approved by a Scrutineer.
16.12. Belt cutter( s) must be carried on board at all times. Both driver and co-driver must be able to reach a belt cutter when seated with their harness fastened.
17. Body( including Aerodynamics)
17.1. Cars must be fitted with a laminated glass or polycarbonate windscreen or have a 2.5cm matrix wire mesh fitted over the whole of the windscreen aperture. If fitted with a glass or polycarbonate windscreen, the Vehicle must have an operative wiper / washer system. Where windscreens are removed, rear windows must also be removed. For open Vehicles, approved goggles / visors must be worn at all times.
17.2. If fitted with non-standard or lightened doors Vehicles must have an internal horizontal safety bar across each door aperture below the line of the window and at a suitable height to protect the Driver. This must not be integral with the door.
17.3. Any cover over the Passenger’ s compartment alongside the Driver must be made of foldable material except where the Driver / Passenger compartment is separated by a stress-bearing solid Chassis member as part of the original design.
17.4. With the exception of Vehicles in Class D any Vehicle’ s silhouette viewed inside elevation must remain unaltered above the wheel hub centres of the original Vehicle except for the engine bonnet / cover the shape of which can be altered.
17.5. In Class C the following are permitted to reduce weight:
a.
One-piece lightweight bonnet wing assemblies, providing adequate bracing is provided to replace lost strength
Motorsport UK National Competition Rules 2026 Edition 1
Chapter 16 Part A( Autocross and Clubcross) Appendix 5- Technical Regulations
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