D.C. Mun. Regs. tit. 24, § 2325
2325.1 Any pistol with a single action firing mechanism manufactured prior to 1985 shall be exempt from the application of § 504 of the Act (D.C. Official Code § 7-2505.04 (2012 Repl.)).
2325.2 Any pistol manufactured prior to 1985, not subject to § 2325.1, shall be deemed included on the District Roster established pursuant to § 2323.
SOURCE: Final Rulemaking published at 56 DCR 8746 (November 6, 2009), incorporating text of Proposed Rulemaking published at 56 DCR 5434 (July 3, 2009); as amended by Final Rulemaking published at 60 DCR 17215 (December 27, 2013).