All jockeys, exercise persons, outriders and other persons riding horses on the grounds of Oaklawn Park shall at all times while mounted on a horse wear appropriate protective headgear and have their chin straps fastened. This rule shall apply from the time the stable is open for training until it is closed after the race meeting, and shall be enforced by all trainers. The protective headgear must meet any of the following standards:
006.06.17 Ark. Code R. 012