D.C. Mun. Regs. tit. 8-B, § 3241
3241.1 Each contract shall be awarded to the responsible and responsive bidder whose bid meets the requirements set forth in the IFB, and is the lowest bid price or lowest evaluated bid price, considering only price and price related factors included in the IFB .
3241.2 A bid shall not be evaluated for any criterion that is not disclosed in the IFB.
3241.3 Award shall not be made until all required approvals have been obtained.
3241.4 The contracting officer shall make a contract award by written notice within the time for acceptance specified in the bid or an extension.
3241.5 A contract shall be deemed to have been awarded on the date that the contracting officer signed the contract.
3241.6 Following an award, a record showing the basis for determining the successful bidder shall be made a part of the contract file.
3241.7 The contracting officer shall use firm-fixed-price contracts when the competitive sealed bidding process is used. Fixed-price contracts with economic price adjustment clauses may be used if authorized by the Director of Procurement.
SOURCE: Final Rulemaking published at 39 DCR 2566 (April 10, 1992).