D.C. Mun. Regs. tit. 23, § 206
206.1 A retailer purchasing permit shall allow the holder of an off-premises retailer's license, class A or B, AI or BI, distillery pub endorsement, wine pub endorsement, or brew pub endorsement to sell spirits, wine, or beer to the public at the premises of the holder of an on-premises retailer's license, class C or D, or temporary license for off-premises consumption.
206.2 Alcoholic beverages purchased at the Board-approved location from the holder of an off-premises retailer's license, class A or B, AI or BI, distillery pub endorsement, wine pub endorsement, or brew pub endorsement under a retailer purchasing permit shall not be opened or consumed at the Board-approved location.
206.3 The holder of a retailer purchasing permit may remove closed containers of beer, wine, or spirits from the Board-approved location, but shall not remove opened containers of beer, wine, or spirits from the Board-approved location. This subsection shall also apply to customers who purchase or receive alcoholic beverages at the Board-approved location.
206.4 A retailer purchasing permit shall not be issued for more than four (4) consecutive calendar days.
SOURCE: Final Rulemaking published at 45 DCR 8183 (November 20, 1998); as amended by Final Rulemaking published at 51 DCR 4309 (April 30, 2004); as amended by Final Rulemaking published at 55 DCR 12991, 13006 (December 26, 2008 – Part 2); as amended by Final Rulemaking published at 60 DCR 11580 (August 9, 2013); as amended by Final Rulemaking published at 68 DCR 7421 (July 30, 2021).