Okla. Stat. tit. 74, § 74-863: Interest in contracts or agreements

No member of the Authority or officer or employee thereof or of

the State Department of Commerce and Industry shall either directly

or indirectly be a party to or be in any manner interested in any

contract or agreement with the Authority for any matter, cause or

thing whatsoever by reason whereof any liability or indebtedness

shall in any way be created against such Authority, or the State

Department of Commerce and Industry. If any contract or agreement

shall be made in violation of the provisions of this Section, the

same shall be null and void and no action shall be maintained

thereon against such Authority or Department.