b. for any Junior Category only a non-transmitting radio receiver tuned to the frequency of a single transmitting device which is under the direct and sole control of the Clerk of the Course is permitted. The system is to be used solely for providing Competitors with instructions or warnings issued by the Clerk of the Course.
4.7. Where required Ofcom licences must be in place.
5. During the Competition:
5.1. The Driver must be the only person in the Vehicle whilst the Vehicle is on the Track unless permitted by the ASN.
5.2. During any Session no team personnel are allowed on the Track.
Motorsport UK National Competition Rules 2026 Edition 1
Chapter 16 Part B( Rallycross) Appendix 8- Competitors Regulations 590