Ordering activities shall establish the BPA with the schedule contractor(s) that can provide the supply or service that represents the best value. For all BAI's requiring a position to be filled with an Employment Contract a template will be used to avoid having to submit multiple BAIs, whenever possible.The purchase order verifies that funds have been approved for this procurement and performance can begin, and the separate contract provides a detailed. Grant Deed on or about the date of this Declaration in the Official Records of San Bernardino County. Blanket Purchase Agreement (BPA) Tutorial. PURCHASE ORDER CHANGES: A purchase order is a contract between the Department and a vendor. Any change to a purchase order shall be documented. This Goods Purchase Agreement ("Agreement") is entered into this 6th day of.