D.C. Mun. Regs. tit. 27, r. 27-2899
As used in this chapter, the following terms and phrases shall have the meanings ascribed:
Consent to subcontract - the contracting officer's written consent for the prime contractor to enter into a particular subcontract.
Facilities contract - a contract under which District facilities are provided to a contractor or subcontractor by the District for use in connection with performing one (1) or more related contracts for goods or services.
Subcontract - a contract between a prime contractor (or, in some instances, a subcontractor) and a subcontractor to furnish goods or services for performance of a part of a prime contract or another subcontract, including, but not limited to, purchase orders, and changes and modifications to purchase orders.
Subcontractor - a supplier, distributor, vendor, or firm that furnishes goods or services to or for a prime contractor or another subcontractor.
D.C. Mun. Regs. tit. 27, r. 27-2899