D.C. Mun. Regs. tit. 24, § 2305
2305.1 The provisions of §§2305 through 2319 are issued by the Chief of Police pursuant to §206(b) of the Firearms Control Regulations Act of 1975, D.C. Law 1-85, D.C. Code §6-2316(b) (1981); referred to as the "Act"] to prescribe procedures for registration of firearms.
2305.2 The Director is authorized by the Act to prescribe all forms required to implement the Act. All the information called for in each form shall be furnished, as indicated by the headings on the form and the instructions that are on each form or that are issued with respect to each form.
2305.3 The Chief shall register no more than one pistol per registrant during any 30-day period.
2305.4 The Chief may permit a person first becoming a District resident to register more than one pistol if those pistols were lawfully owned in another jurisdiction for a period of 6 months prior to the date of application.
SOURCE: Final Rulemaking published at 23 DCR 8942 (May 6, 1977), incorporating text of the Proposed Rulemaking published at 23 DCR 7061, 7070 (March 4, 1977); 35 DCRR §§300, 307, November 1980, Special Edition; as amended by Notice of Emergency and Proposed Rulemaking published at 56 DCR 624 (January 16, 2009)[EXPIRED]; as amended by Notice of Final Rulemaking published at 56 DCR 4380 (June 5, 2009).