CHAPTER 8 PERMITTED TYRES AND FUELS AND TESTING Appendix 3- Tyre Testing and Checking
1. General
2. TTP
1.1. Organisers have the right at any time during or after a Permitted Event to check and or require the testing of any tyre presented by the Competitor for use in Competition. This includes tyres presented on a Vehicle at any Scrutineering of it connected to the relevant Competition and to any tyre designated by the Competitor as a‘ spare’ including any‘ wet use’ tyre.
1.2. The Clerk of the Course must always be notified of the intention to carry out tyre checking and or testing.
1.3. The responsibility for the checking of tyres at Events is an Eligibility matter and shall be delegated to the Chief Scrutineer at the Event who in turn may delegate this responsibility to other Scrutineers appointed to the Event but who shall report to the Chief Scrutineer.
1.4. Any non-conformity of any tyre shall be reported by a Non Compliance Report and which must be delivered to the Clerk of the Course or to the Stewards of the Event where the Clerk has no Judicial responsibility at an Event.
1.5. A Non Compliance Report may be a Judgement of Fact provided that the Scrutineers concerned satisfy the criteria as Judges of Fact.
1.6. On receipt of a Non Compliance Report the relevant Judicial body must deal with the matter by way of a formal Judicial Hearing pursuant to Chapter 2. App. 8 Arts. 1.9 – 1.12. The result of the Judicial Hearing shall be published as an Official Document of the Event.
1.7. Tyres may be checked for Eligibility under the Official Documents or for testing in relation to performance enhancing products(‘ TTP’) as set out below.
1.8. The analysis of a laboratory on the UKAS list or by an ASN approved comparison test will be a Judgement of Fact.
1.9. Any Eligibility Decision whereby it is determined that any tyre is in breach of the NCR shall be penalised in accordance with Chapter 2 App. 8 Art. 2( subject always to Chapter 2 App. 8 Art. 1.12( a ruling in respect of exceptional reason)). The ASN may additionally refer the matter to the National Court for the consideration of additional penalties.
2.1. TTP may be carried out at any time, before, during, or after a Competition on the instructions of the ASN, Clerk of the Course, Technical Commissioner, Chief Scrutineer, Eligibility Scrutineer or the Stewards.
2.2. New unused ASN approved sample containers, or other containers approved by the ASN, capable of being sealed by the authorised sampling official must always be used for the storage of individual tyre rubber samples.
2.3. Where there is the possibility that the tyre( s) may have“ picked up” rubber from the track surface, the Entrant shall be permitted( or may be required by the Eligibility or Chief Scrutineer) to remove the“ pick up” from the tyre( s) with a mechanical device, such as a scraper. Rubber residue from the cleaning process must be collected and retained by the Chief Scrutineer for further testing as appropriate, and in a separate container as per Art. 1.2 above.
2.4. Removal of rubber samples from the tyre must be done in a controlled and preferably clean environment within the Venue, such as in the scrutineering bay, and always under the supervision of the Chief Scrutineer or Eligibility Scrutineer. Removal onto a clean surface is essential. The tyre rubber sample( s) will then be subjected to testing in the approved manner as detailed below. The Competitor( or in the case of minors, the Competitor and PG) shall have the right to be present.
Motorsport UK 2025 National Competition Rules Version 11
Chapter 8 Appendix 3- Tyre Testing and Checking 324