Contractor is directed to review, fill out and execute the Public. Works Contractor Registration Certification attached hereto as Exhibit "E" prior to contract.These are the forms that Clerk's office provides for Circuit Civil cases. This Agreement is made and entered into as of. Please complete the Bidders Opportunity List form found here (Bid Opportunity List Form. AGREEMENT BETWEEN USER AND Hillsborough County. Was this page helpful? Please DO NOT accept any unsolicited purchase orders. Volunteers are always welcome in the Social Services Department. Notice: The Owner's Authorization form as been updated, please use the updated form when submitting an application.