4.9. * If sub-section numbers are not placed on both sides of the route they should be on the right-hand side with the corresponding guide markers on the left-hand side.
4.10. There should be a First Aid Kit( including an eye bath) on-site at a clearly identified location.
4.11. Organisers may at any convenient time after the start of the competition require Competitors in some or all Classes to increase or decrease the minimum permitted tyre pressure by a maximum of 5lb / sq in. This decision must be advised to Competitors in writing and sufficient time must be allowed for them to comply.
5. Historic Sporting Trials 5.1. In addition to Arts 1.1 – 1.6 above Organisers of Historic Sporting Trials must: 5.2. * The use of road sections should be avoided. If road sections are used then Arts. 2.6 and 2.9-2.22 apply.
5.3. * The entry in should be split into class groups of roughly equal number which should start from different observed sections simultaneously.
5.4. The layout of sections should take account of the location of possible failure points and safe exit routes. 5.5. Sections should if possible be of sufficient width to allow a choice of route. 5.6. The use of trees or natural hazards as Course boundaries should be avoided where possible. 5.7. Stakes should not be placed against trees.
5.8. It is recommended that sections be laid out using a minimum of 13 pairs of marker stakes of a minimum height of 1m and with colour coding to clearly identify each side of the route.( see diagram in App 7 Drawing 2). Additional markers may be used to clarify different routes for different classes or to clarify Art. 1.6. g.
5.9. * If sub-section numbers are not placed on both sides of the route, they should be on the right-hand side, with the corresponding guide markers on the left-hand side.
5.10. Organisers may at any convenient time after the start of the competition require Competitors in some or all Classes to increase or decrease the minimum permitted tyre pressure by a maximum of 5lb / sq in. This decision must be advised to Competitors in writing and sufficient time must be allowed for them to comply.
5.11. There should be a First Aid Kit( including an eye bath) on-site at a clearly identified location.
Motorsport UK National Competition Rules 2026 Edition 1
Chapter 17 Appendix 1- Organisers Regulations 610