Tracking of Bexar County payment made under each contract. Each bidder is required to acknowledge receipt of an addendum issued for a specific project.Please take a moment to look at our current openings. If you are interested, click on the "Apply" link! The department may require the payment of a discount or service charge for the use of a credit card. To be considered, all pages of the faxed bid that are received prior to the bid opening time specified in the bid will be considered "the complete bid". (b) The department may establish one or more escrow accounts in the state highway fund for the prepayment of bid guaranties. The design stage results in a complete set of plans and specifications describing the project to be built.