ARSD 20:04:21:54. Trainer to attend and supervise his horse

A trainer shall attend to the trainer's horse in the paddock and shall be present to supervise the saddling, unless the trainer has obtained the permission of a steward to send another licensed designee as a substitute. The trainer shall also be present following the running of a race to attend to the horse or have a licensed employee present for that purpose. If the horse is a winner, or otherwise selected for testing, the trainer, owner, or licensed designee shall take possession of the horse and immediately accompany the horse to the designated area for testing. The trainer, owner, or licensed designee shall remain with the horse until the sample has been obtained and must witness the sampling and sealing of the sample for delivery to the chemist. The witness must sign his or her name on the form supplied.