D.C. Mun. Regs. tit. 30, § 2202
2202.1 The contracting officer shall provide for adequate public notice of the invitation for bids to be given at a sufficient time before the date set forth in the notice for the opening of bids. In no event shall the notice required in this subsection be less than thirty (30) calendar days.
2202.2 The notice required under §2202.1 shall include publication in at least one (1) of, or a combination of, the following:
(a) A newspaper of general circulation;
(b) A trade publication considered appropriate by the Director of Procurement; or
(c) The "District of Columbia Procurement Digest."
2202.3 The Director of Procurement shall submit notice of each IFB to the Department of Administrative Services for inclusion on the D.C. Procurement Hotline.
2202.4 When a solicitation mailing list is available for the particular requirement, invitations for bids or notices of the availability of IFB's shall be mailed or otherwise furnished to a sufficient number of potential bidders for the purpose of securing competition.
SOURCE: Final Rulemaking published at 36 DCR 6681, 6717 (September 22, 1989).