D.C. Mun. Regs. tit. 25-B, § 2311
2311.1 A certified dealer shall submit a 'Statement of Discontinuance of Operations' to the Department at least thirty (30) calendar days before discontinuing its operations in accordance with section 3104.2.
SOURCE: Final Rulemaking published at 56 DCR 5245 (July 3, 2009).