(a) A member of the legislature may not vote on a measure or a bill, other than a measure that will affect an entire class of business entities, that will directly benefit a specific business transaction of a business entity in which the member has a controlling interest.
(b) In this section, “controlling interest” includes:
(1) an ownership interest or participating interest by virtue of shares, stock, or otherwise that exceeds 10 percent;
(2) membership on the board of directors or other governing body of the business entity; or
(3) service as an officer of the business entity.

(c) A member of the legislature commits an offense if the member violates this section. An offense under this subsection is a Class A misdemeanor.