Ordering activities shall establish the BPA with the schedule contractor(s) that can provide the supply or service that represents the best value. The requisition will become a Purchase Order contract specifying the exact terms and conditions.Before entering a requisition, the. The BPA holder shall segregate costs associated with materials and other items authorized to be purchased on a cost-reimbursement basis. From the Home screen, within the Basic IDVs section, click the BPA contract type. Enter data in the Document Information section. Find out everything you need to know about blanket purchase agreements (BPAs), including their advantages and how PandaDoc can help you. Our blanket purchase agreements establish an agreement between a government buyer and a MAS contractor to fill repetitive needs for supplies or services. "Prime Contractor" or "Prime Vendor" or "Prime Supplier" means a vendor or contractor awarded a contract or purchase order directly from Bexar County. Buyer must insert a clause in full and fill it out when applicable before vendor accepts BPA Call.