Sec. 23. (a) A director of the commission who knowingly has an interest:
(1) in any contract with the commission; or
(2) in the sale or lease of any real or personal property to the commission;
commits a Class A misdemeanor. All such contracts or leases are void.
(b) This section does not apply to contracts for purchases of property, real or personal, between the commission and:
(1) the authority;
(2) any political subdivision; or
(3) any department or agency of the state.