D.C. Mun. Regs. tit. 19, § 2113
2113.1 The referee shall inspect the bandages and the gloves of each contestant to ensure that no grease or other foreign substance has been applied thereto.
2113.2 The referee shall ensure that each contestant is wearing a protective cup and mouthpiece.
SOURCE: Final Rulemaking published at 35 DCR 3731, 3737-38 (May 20, 1988).