D.C. Mun. Regs. tit. 19, § 312
312.1 The CCO shall take all reasonable action to prevent employees from making any unauthorized obligation to procure goods, services or construction.
312.2 The CCO may make a payment for value received under an unauthorized obligation if the CCO makes a written determination that:
(a) the Authority has obtained a benefit from another party's performance pursuant to the unauthorized obligation;
(b) the obligation is within the authority conferred on the CCO by these regulations;
(c) the price to be obligated for performance is fair and reasonable; and
(d) sufficient funds were available at the time of the unauthorized obligation and remain available.
SOURCE: Final Rulemaking published at 44 DCR 4907, 4918 (August 22, 1997); and as amended by Final Rulemaking at 49 DCR 10814 (November 29, 2002).