10 U.S.C. § 3401
Task and delivery order contracts: definitions
In this chapter:
(1) Delivery order contract.—
The term “delivery order contract” means a contract for property—
(A)
that does not procure or specify a firm quantity of property (other than a minimum or maximum quantity); and
(B)
that provides for the issuance of orders for the delivery of property during the period of the contract.
(2) Task order contract.—
The term “task order contract” means a contract for services—
(A)
that does not procure or specify a firm quantity of services (other than a minimum or maximum quantity); and
(B)
that provides for the issuance of orders for the performance of tasks during the period of the contract.
(Added Pub. L. 103–355, title I, § 1004(a)(1) , Oct. 13, 1994 , 108 Stat. 3253 , § 2304d; renumbered § 3401 and amended Pub. L. 116–283, div. A, title XVIII, § 1820(b) , Jan. 1, 2021 , 134 Stat. 4191 .)