173. A contract binding a manager and a contestant shall not run for more than 3 years, and the percentage of the fees paid to the manager shall not exceed 20% of the amount of the contestant’s purse or remuneration, except where the manager also acts as the contestant’s trainer, in which case the percentage shall not exceed 30%.The contract shall provide for or stipulate, in particular,
(1) that the manager undertakes not to require the contestant to repay any amount disbursed for the contestant’s benefit;
(2) that neither the manager nor the contestant may transfer his rights and obligations to a third person, except if both parties agree; and
(3) the cancellation of the contract(a) if the manager’s or contestant’s licence is cancelled or suspended for the unexpired duration of the contract; or
(b) if the contestant is declared unfit to fight following a medical examination, for the unexpired duration of the contract.