D.C. Mun. Regs. tit. 19, § 2407
2407.1 Male mixed martial artists shall wear a groin protector of their own selection, of a type approved by the Commissioner.
2407.2 Female mixed martial artists are prohibited from wearing groin protectors.
2407.3 Female mixed martial artists shall wear a chest protector during competition. The chest protector shall be subject to approval of the Commissioner.
SOURCE: Final Rulemaking published at 54 DCR 7223 (July 27, 2007).