D.C. Mun. Regs. tit. 30, § 2305
2305.1 The contracting officer may hold a pre-proposal conference to brief prospective offerors after a solicitation has been issued but before offers are submitted.
2305.2 The contracting officer or designated representative shall do the following:
(a) Conduct the pre-proposal conference;
(b) Furnish all prospective offerors identical information concerning the proposed procurement;
(c) Make a complete record of the conference; and
(d) Promptly furnish a copy of that record to all prospective offerors that request a copy in writing.
2305.3 The contracting officer shall inform all pre-proposal conference attendees of the following:
(a) That remarks and explanations at the conference do not qualify or amend the terms of the solicitation; and
(b) That the terms of the solicitation and specifications remain unchanged unless the solicitation is amended in writing.
SOURCE: Final Rulemaking published at 36 DCR 6681, 6742 (September 22, 1989).