D.C. Mun. Regs. tit. 19, r. 19-2125
The total purse for a professional contestant may be no less than fifty dollars ($50) for each round scheduled in a contest.
A contestant's share of the purse shall be at least sixty-six and two-thirds percent (66 2/3%) of the total purse.
The promoter shall pay a contestant whose total purse is less than two thousand five hundred dollars ($2,500) by cash, money order, or certified check.
The promoter shall pay the contestant the amount specified in the contract. Payment shall be made only to the contestant or to the person the Commission recognizes as the manager of the contestant, provided that the manager has on file with the Commission an authorization to receive payment signed by the contestant.
No contestant shall give, and no licensee shall accept, any share of the contestant's purse that was not earned by the licensee.
A contestant may not be paid for the contestant's services before a contest.
The Commission may withhold the purse from a contestant and order that it be forfeited, in whole or part, if the Commission determines that the contestant did not put forth his or her best efforts in the contest.
D.C. Mun. Regs. tit. 19, r. 19-2125