Oregon Revised Statutes Labor and Employment; Unlawful Discrimination § 654.160

(1) A statement as to whether or not ORS 654.150 applies at the construction site shall be included in the contract for a construction project. If the contract states that ORS 654.150 applies, the owner shall also include in the contract documents a provision designating which party to the contract is responsible for any costs that may be incurred in complying with ORS 654.150 and the rules adopted pursuant thereto.

(2) The owner of a construction site is liable to any contractor who is an employer at the site for costs incurred by the contractor if:

(3) In addition to being liable for the amount of the additional costs incurred, as provided by subsection (2) of this section, the owner is liable for interest on the amount at the rate of one percent per month from the date such contractor makes demand upon the owner to reimburse the contractor for such costs until the contractor is paid.