https://www.britishhorseracing.com/pres ... stalls/
New wording of Rule (H)6 from 1 May 2024
6. In a Race started from starting stalls, the Stewards may declare a horse a non-runner where:
6.1 A horse is denied a fair start, and its chances are materially affected, including but not limited to where:
6.1.1 a horse is prevented from starting on equal terms due to a faulty action of the starting stalls; or
6.1.2 that horse is riderless at the ‘Off’.
6.2 a horse has gained an unfair advantage at the start of the rac
Current wording of Rule (H)6
6. In a Race started from starting stalls, the Stewards may declare a horse a non-runner where:
6.1 that horse has been prevented from starting due to a faulty action of the starting stalls; or
6.2 that horse is riderless at the ‘Off’.