The admittance requirement of those persons displaying a valid identification as set forth in D.C. Official Code § 25-782(d) shall not preclude establishments from enforcing a dress code or an age restriction, provided those establishments do not discriminate on any basis prohibited by Chapter 14 of Title 2 of the D.C. Official Code.
D.C. Mun. Regs. tit. 23, r. 23-905