D.C. Mun. Regs. tit. 23, § 701
701.1 The notice required to be posted by the applicant pursuant to D.C. Official Code § 25-713, which must state the current legal drinking age and the requirement of patrons to produce a valid identification displaying proof of age, shall be provided to the applicant by the ABC Board at the time the license is delivered to the applicant.
SOURCE: Final Rulemaking published at 51 DCR 4309 (April 30, 2004); as amended by Final Rulemaking published at 55 DCR 12991 (December 26, 2008).