D.C. Mun. Regs. tit. 19, § 4307
4307.1 The CCO shall determine that the price to be paid to the successful offeror is fair and reasonable for all simplified procurement transactions.
4307.2 Generally, competition shall determine price reasonableness. However, the determination that a proposed price is fair and reasonable may also be based on any of the following:
SOURCE: Final Rulemaking published at 55 DCR 493 (January 18, 2008).