D.C. Mun. Regs. tit. 27, § 1641
1641.1 Among other areas of negotiations under § 1634 and discussions under §1638, the contracting officer may enter into price negotiations with the offeror with the intent of agreeing on a fair and reasonable price.
1641.2 The contracting officer shall not be required to reach agreement on every element of cost, and may make reasonable compromises if necessary.
SOURCE: Final Rulemaking published at 60 DCR 1136 (February 1, 2013).