D.C. Mun. Regs. tit. 19, r. 19-1305
A permit to conduct dances or entertainment of any kind in a hall or other place may be refused by the Mayor whenever that place, from the character of the applicant or the nature of the surroundings, is likely to become the scene of disorder or other violation of law. The license may be revoked at any time whenever a place becomes the scene of disorder or other violations of law.
Any person protesting to action taken pursuant to § 1305.1, or the applicant or permittee, shall be entitled to a public hearing before the Board of Appeals and Review. The Board of Appeals and Review shall ascertain and report the facts and the Board's advice regarding the appeal to the Mayor.
The place for which a permit is sought or obtained shall be subject to inspection and supervision by the members of the police force at all times when open for business.
No proprietor, manager, or employee of any place for which a permit is sought or obtained shall refuse admittance to any member of the police force who visits that place for the purpose of inspection or supervision, nor hinder or obstruct the officer in doing his or her duty. Each separate refusal or hindrance shall constitute a distinct offense.
No person shall conduct or take part in any race, dance, or contest in which any individual shall participate for more than a total of twelve (12) hours in any consecutive twenty-four (24) hours.
No female shall be permitted to be employed in any dance hall for the purpose of dancing with male patrons of the dance hall.
D.C. Mun. Regs. tit. 19, r. 19-1305