D.C. Mun. Regs. tit. 30, § 2215
2215.1 The contracting officer may use pre-bid conferences to explain the procurement requirements.
2215.2 Pre-bid conferences shall be announced to all prospective bidders in the IFB.
2215.3 The pre-bid conference shall be held as early as possible after the IFB has been issued and before the bids are opened.
2215.4 Nothing stated at the pre-bid conference shall change the IFB unless a change is made by the contracting officer by written amendment.
2215.5 The contracting officer shall prepare a written report of the conference and shall supply it to all prospective bidders who request a copy in writing.
2215.6 The report of the pre-bid conference shall be a public document.
SOURCE: Final Rulemaking published at 36 DCR 6681, 6722 (September 22, 1989).