D.C. Mun. Regs. tit. 19, § 2104
2104.1 A promoter shall not advertise a professional boxing contest as the World Championship or National Championship unless that contest is scheduled for at least twelve (12) rounds.
2104.2 The Commission may designate the number of rounds for a championship boxing contest.
2104.3 No contract for a championship contest shall provide for, contemplate, or be conditioned upon a return contest.
SOURCE: Final Rulemaking published at 35 DCR 3731, 3732 (May 20, 1988).