D.C. Mun. Regs. tit. 23, § 2005
2005.1 Either the holder of a caterer's license or a designated manager shall remain on the premises for the duration of the catered event.
2005.2 The holder of a caterer's license, or the designated manager, shall keep a copy of the caterer's license on his or her person during the catered event and make it available for inspection by an ABRA investigator upon request.
SOURCE: Section 303 of the Omnibus Alcoholic Beverage Amendment Act of 2004, effective September 30, 2004 (51 DCR 6525 (July 2, 2004)); as amended by Final Rulemaking published at 55 DCR 12991 (December 26, 2008 – Part 2); as amended by Final Rulemaking published at 67 DCR 14479 (December 11, 2020).