1. (a) The Official Veterinarian, Stewards, or Commission may require an entered horse to submit to pre-race testing. If pre-race testing is required, the horse shall be ineligible to start in a race until a biological sample has been collected from the horse by the Official Veterinarian or designee.

2. (b) The Official Veterinarian, Stewards, or Commission may require a horse to submit to out-of-competition testing if the horse:

   1. (1) Is present within the enclosure;
   2. (2) Has papers on file in the racing office; or
   3. (3) Is nominated to a race scheduled to be conducted at the race meeting.
3. (c) If out-of-competition testing is required, the horse shall be ineligible to start in a race until a biological sample has been collected from the horse by the Official Veterinarian or designee.

Amended at 35 Ok Reg 347, eff 12-18-17 (emergency)

Amended at 35 Ok Reg 1535, eff 9-14-18

Amended at 38 Ok Reg 2080, eff 9-11-21