D.C. Mun. Regs. tit. 26-A, § 2621
A copy of the completed application or enrollment form (whichever is applicable) shall be delivered to the insured no later than at the time of the delivery of the policy or certificate unless a copy of the completed application was retained by the applicant at the time of application.
SOURCE: Final Rulemaking published at 52 DCR 10902 (December 16, 2005); as amended by Final Rulemaking published at 55 DCR 3759 (April 11, 2008).