A person lawfully in possession of a controlled substance listed in any schedule may distribute (without being registered to distribute) that substance, to the person from whom he or she obtained it or to the manufacturer of the substance, or, if designated, to the manufacturer's registered agent for accepting returns, provided that a written record is maintained containing the following:
An order form shall be used in the manner prescribed in 21 C.F.R. § 1305, and shall be maintained as the written record for a controlled substance listed in Schedule I or II which is returned. Any person not required to register pursuant to Sections 302(c) or 1007(b)(1) of the Federal Act 21 U.S.C. § 822(c) or 957(b)(1) shall be exempt from maintaining the records required by this section.
Distributions referred to in this section may be made through a freight forwarding facility operated by the person to whom the controlled substance is being returned provided that prior arrangement has been made for the return and the person making the distribution delivers the controlled substance directly to an agent or employee of the person to whom the controlled substance is being returned.
D.C. Mun. Regs. tit. 22, r. 22-B1321