As used in this subpart-

Task or delivery order contract means a "delivery order contract," and a "task order contract," as defined in 16.501-1. For example, it includes Governmentwide Acquisition Contracts (GWACs), multi-agency contracts (MACs), and other indefinite-delivery/indefinite-quantity contracts, whether single award or multiple award. It also includes Federal Supply Schedule contracts (including Blanket Purchase Agreements under subpart  8.4).