D.C. Mun. Regs. tit. 27, § 2415
2415.1 The contracting officer may use a definite-quantity contract when it can be determined in advance that a specific quantity of goods or services will be required during the contract period and the goods or services are regularly available or will be available after a short lead time.
SOURCE: Final Rulemaking published at 35 DCR 1564 (February 26, 1988).