D.C. Mun. Regs. tit. 21, § 1001
1001.1 Except as provided in Section 1006, a retail establishment shall charge each customer making a purchase from the establishment a fee of five cents ($0.05) for each disposable carryout bag provided to the customer with the purchase.
1001.2 The fee imposed by Section 1001.1 shall be charged to a customer making a purchase whether the purchase is in person, through the internet, by telephone, by facsimile, electronically, or by any other means.
1001.3 The retail establishment shall indicate on the customer transaction receipt the number of disposable carryout bags provided, and the total amount of the fee charged.
1001.4 The retail establishment shall account for all bags provided, whether the transaction is completed by a representative of the establishment or at a self-checkout kiosk.
Source: Final Rulemaking published at 57 DCR 7208, 7209 (August 13, 2010); as amended by Final Rulemaking published at 66 DCR 6193 (May 17, 2019).