(1) An official or full-time employee of the executive branch of state government shall not represent a person or act as an expert witness for compensation before a government body when the action or nonaction of the government body is of a nonministerial nature, except in a matter of public record in a court of law.

(2) This prohibition shall not apply to an official or employee acting in an official capacity.

(3) Any person violating this section shall be guilty of a Class III misdemeanor.