Established by DOD in 1981, indefinite-delivery (ID) contracting is designed to streamline the bidding process, generally for maintenance, repair, and construction projects. Sometimes also referred to as term contracts, ID contracts take the form of either a task order (TO) or a delivery order (DO), defined as follows in FAR 16.501:
1. “‘Delivery-order contract’ means a contract for supplies that does not procure or specify a firm quantity of supplies (other than a minimum or maximum quantity) and that provides for the issuance of orders for the delivery of supplies during the period of the contract.”
2. “‘Task-order contract’ means a contract for services that does not procure or specify a firm quantity ...