10.8. For Vehicles in Class 2( pre-1941) any mechanical modification as permitted by Art. 4 must be compatible with the period.
10.9. Rearward vision whilst properly seated within the confines of the Vehicle’ s bodywork or ROPS must be possible. Vehicles with solid rear bulkheads or an obstructed view along the centreline of the longitudinal axis must be fitted with either external rear view mirrors or a reversing camera. Mirrors and / or cameras must be operational during competition.
10.10. Exhaust Catalytic Converters are required per Ch. 7 App. 8 Art. 1.8 except where a Vehicle does not require a catalytic converter in accordance with UK Government legislation.
10.11. Battery powered Vehicles may compete in appropriate classes in Car Trials and Classic Reliability Trials,( excluding Sporting Car Trials), subject to the Official Documents of the Event.
Motorsport UK National Competition Rules 2026 Edition 1
Chapter 17 Appendix 3- Technical Regulations- Classic Reliability Trial Vehicles
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