D.C. Mun. Regs. tit. 24, § 2312
2312.1 Each person registering a firearm or renewing a registration pursuant to § 2326 shall be fingerprinted, unless all of the following apply:
(a) [RESERVED];
(b) The applicant's fingerprints on file are, in the opinion of the Director, of the required quality; and
(c) The applicant offers sufficient identification to establish the applicant's identity as the same person whose fingerprints are already on file.
2312.2 Each person registering a firearm shall be photographed, at no charge, by the Director and the photograph shall be included as part of the registration 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 §§308, 309, November 1980, Special Edition; as amended by Final Rulemaking published at 60 DCR 17215 (December 27, 2013).