D.C. Mun. Regs. tit. 27, § 1621
1621.1 The contracting officer may conduct a pre-proposal conference to brief prospective offerors after a solicitation has been issued but before offers are submitted.
1621.2 The contracting officer or designated representative shall:
(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 publish a copy of that record to all prospective offerors.
1621.3 The contracting officer shall inform all pre-proposal conference attendees that:
(a) Remarks and explanations at the conference do not qualify or amend the terms of the solicitation; and
(b) Nothing stated at the pre-proposal conference shall change an RFP unless a change is made by the contracting officer by written amendment.
SOURCE: Final Rulemaking published at 35 DCR 1459 (February 26, 1988); as amended by Final Rulemaking published at 60 DCR 1136 (February 1, 2013).