D.C. Mun. Regs. tit. 27, § 3306
3306.1 When determining whether a cost is allowable, the contracting officer shall consider the following factors:
3306.2 If a contractor's accounting practices are inconsistent with this chapter, the contracting officer shall not allow costs resulting from those practices in excess of the amount that would have resulted from using practices consistent with this chapter.
SOURCE: Final Rulemaking published at 35 DCR 1652 (February 26, 1988).