None of the following officials employed by any association is permitted to perform duties unless approved in writing by the commission: all stewards, racing secretaries, handicappers, starters, placing judges, clerks of the scales, paddock and patrol judges, timers, examining veterinarians and track veterinarians, veterinary technicians and such other persons as the commission may designate from time to time because of their importance in the actual conduct of racing.
N.Y. Comp. Codes R. & Regs. Tit. 9 § 4005.1