23 CAR § 357-314
(a)
(1)
(2)
(3) In addition to the responsibilities under subdivision (a)(2) of this section, a trainer has the following specific responsibilities to:
(6)
(i) A trainer’s commission shall be ten percent (10%) of an owner’s share of the purse for horses finishing first, second, or third.
(ii) This amount shall be deducted from the owner’s account by the Horsemen’s Bookkeeper and deposited in the account set up by the trainer at the track upon notification from the Board of Stewards that the purse may be released.
(iii) Notwithstanding the foregoing, if the owner and trainer have a written contract which requires payment less than or more than ten percent (10%) of the purse earned, the owner shall pay the trainer any money due under the contract in excess of ten percent (10%) and the trainer shall reimburse the owner any money due under said contract, in each case in accordance with the terms of said contract.
(B)
(b) (b) Be binding on all licensed owners with an interest in the horse or horses;
(c) (c) Apply to all trainers employed by the owner; and
(b) No trainer shall practice the horse training profession except under the trainer's own name.
(c) The stewards may permit a trainer to act pending action on the trainer's application.
(g)
(h) It shall be the duty of each franchise holder to see that all owners, authorized agents, and trainers are licensed before any thoroughbred horse in which they hold an interest or which they train is allowed to race, and it shall also be the duty of each franchise holder to see that the application for license is filed and the prescribed fee is paid to the commission.
(k)
(2) A trainer or owner shall not enter or start a horse that:
(F) Has been given in any manner whatsoever, internally or externally, any stimulant, depressant, hypnotic, or narcotic drug, or antiseptic of any kind or description.
(q)
(1)