The Oklahoma Affidavit for Final Payment is a legal document used to release funds to a contractor after the completion of a construction project. The affidavit is used to certify that the contractor has completed all work under the contract, and that the owner/client has accepted the work. The affidavit also certifies that all subcontractors and suppliers have been paid in full, or that the contractor has made arrangements for payment of any outstanding amounts due to them. There are two types of Oklahoma Affidavit for Final Payment: one for residential projects, and one for commercial projects. The residential affidavit requires the contractor to list any unpaid subcontractors or suppliers, provide a detailed description of the work completed, and certify that all materials and labor have been paid in full. The commercial affidavit requires the contractor to provide a detailed description of the work completed, and provide a breakdown of all materials and labor costs. In addition, the contractor must certify that all subcontractors and suppliers have been paid in full, or that the contractor has made arrangements for payment of any outstanding amounts due.