A Purchase Order (PO) is a type of agreements for the acquisition of materials, equipment, or services that is a procurement contract issued by a buyer (owner) to a seller (contractor). A PO document includes both parties’ signature, dates including key milestones, purchasing specifications, description of purchasing goods or services, a quantity and quality, performance, delivery timing, prices, payment conditions, and a general and special terms and conditions.

Related Definitions in the Project: The Procurement; Project Contract