City will process approved invoices in accounting software in a timely manner. To fill out this form, gather all necessary information about the property and parties involved.Ensure that you understand the terms outlined in the contract. The purchase contract is the most important document in any real estate sale. It must reflect the entire agreement between the buyer and seller. This Agreement is made and entered into this ____ day of ______, 20____. (For State Projects). See Section 616 of "North Carolina Construction Manual".