D.C. Mun. Regs. tit. 27, § 2421
2421.1 When materials are not required, the contracting officer may use a labor-hour contract in accordance with the provisions of § 2420 of this chapter.
SOURCE: Final Rulemaking published at 35 DCR 1554 (February 26, 1988); as amended by Final Rulemaking published at 65 DCR 00390 (January 19, 2018).