3.5. Subject to Arts. 3.2 and 3.3 above the Entrant is entitled to select one of the samples for their retention( the“ Entrant’ s Sample”) and to nominate a testing laboratory on the list of the United Kingdom Accreditation Service( UKAS) for the independent testing of that sample, if required as per Art. 3.9 below.
3.6. The remaining samples must be delivered by the Organisers to the ASN, normally within 7 days of the Event.
3.7. The ASN will then select one of these two samples at random and arrange testing of the selected sample at a laboratory on the UKAS list. The breaking of the seal must be witnessed by an appointed representative of the ASN.
3.8. The result of this ASN first test will be notified pursuant to Art6.1 below.
3.9. If the result of this ASN first test indicates non-compliance then the Entrant may, within 14 days of being notified of this non-compliance( Art6.1 below), submit the Entrant’ s Sample for testing at the laboratory nominated by them( Art. 3.5 above) and at their expense( Art. 7.2 below). The Entrant must be given the opportunity to be present at this test and the test – including the breaking of the seal( s) – must be witnessed by an appointed representative of the ASN.
3.10. If the Entrant does not submit the Entrant’ s Sample for testing within the said 14 days or if the result of their test confirms non-compliance then the fuel will be deemed ineligible and notification will be given under Art6.1 below.
3.11. If the result of the Entrant’ s test indicates compliance), then the ASN will arrange for the remaining third sample to be tested by a laboratory on the UKAS list not previously used in this particular testing process. The Entrant must be given the opportunity to be present at this test and the test – including the breaking of the seal( s) – must be witnessed by an appointed representative of the ASN.
3.12. Where testing takes place under Art. 3.11 above then the result of this third test will conclusively determine the compliance or non-compliance of the fuel and notification will be given under Art6.1 below.
4. Comparison Testing 4.1. Each sample must be a minimum of 50ml.
4.2. The results of all comparison testing will be compared for compliance with the results obtained from a sample taken from the same controlled source, at the beginning of the Event.
4.3. Comparison testing will only be implemented where fuel for the Event is mandated by the Organisers for all Competitors in the Class( es) to be drawn from a single controlled source. It is the sole method used when use of control fuel is mandatory.
4.4. One sample, selected at random, will normally be tested on-site in accordance with ASN approved procedures, by the authority nominated in those procedures.
4.5. If the result of this test indicates compliance then no further action will be taken.
4.6. If the result of this test confirms non-compliance then the Entrant will be informed and will be given the opportunity to select one of the two remaining sealed samples( Art. 2.2 above) for testing in their presence and in accordance with the same ASN approved procedures( Art. 4.4 above).
4.7. If the Entrant chooses not to have a sample tested, or if the result of this second test confirms noncompliance, then the fuel will be deemed ineligible and notification given under Art. 35 below.
4.8. If the result of this second test indicates compliance then the remaining third sample will be tested in accordance with the same ASN approved procedures( Art. 4.4 above); the Entrant must be given the opportunity to be present at this test.
4.9. Where testing takes place under Art. 4.8 above then the result of this third test alone will conclusively determine the eligibility of the fuel and notification will be given under Art6.1 below.
5. Storage of Samples 5.1. Samples retained by the ASN or its authorised Officials must be stored in a secure location.
Motorsport UK 2025 National Competition Rules Version 11
Chapter 8 Appendix 2- Fuel( and other Vehicle fluids) Testing 322