D.C. Mun. Regs. tit. 27, § 2399
2399.1 When used in this chapter, the following terms and phrases shall have the meanings ascribed:
Date of contract - the date on which the contract is signed by the contracting officer.
Director - the Director of the Office of Contracting and Procurement or the District of Columbia Chief Procurement Officer.
Stop-work order - a written document issued by the contracting officer advising a contractor to cease work.
Subsistence items - perishable food items.
SOURCE: Final Rulemaking published at 35 DCR 1553 (February 26, 1988).