The following terms and conditions apply to all PCC purchases in addition to any terms set forth on the face of an. Pima County Community College District ("College") is seeking proposals from qualified firms to provide Chartered Ground Transportation Services.Offer and Acceptance. In the state of Arizona, no contract for real estate exists until the contract is offered and accepted in writing (A. A valid Pima County Vendor record is required to receive any award of contract. "Bidder" means a person who desires to make a proposal on procurement. (See "Qualified Bidder" and "Responsive Bidder"). 2.