45-1203. Contractor; payment; payment request; subcontractor; payment; retainage; payment.
(1) When a contractor has performed work in accordance with the provisions of a contract with an owner, the owner shall pay the contractor within thirty days after receipt by the owner or the owner's representative of a payment request made pursuant to the contract.
(2) When a subcontractor has performed work in accordance with the provisions of a subcontract and all conditions precedent to payment contained in the subcontract have been satisfied, the contractor shall pay the subcontractor and the subcontractor shall pay his, her, or its subcontractor, within ten days after receipt by the contractor or subcontractor of each periodic or final payment, the full amount received for the subcontractor's work and materials based on work completed or service provided under the subcontract for which the subcontractor has properly requested payment, if the subcontractor provides or has provided satisfactory and reasonable assurances of continued performance and financial responsibility to complete the work.
(3) The owner or the owner's representative shall release and pay all retainage for work completed in accordance with the provisions of the contract within forty-five days after the project, or a designated portion thereof, is substantially complete. When a subcontractor has performed work in accordance with the provisions of a subcontract and all conditions precedent to payment contained in the subcontract have been satisfied, the contractor shall pay all retainage due such subcontractor within ten days after receipt of the retainage.
Source