(a) In this section, “Texas trade association” means a cooperative and voluntarily joined association of business or professional competitors in this state designed to assist its members and its industry or profession in dealing with mutual business or professional problems and in promoting their common interest.
(b) A person may not be a member of the state board or act as the general counsel to the state board if the person is required to register as a lobbyist under Chapter 305, Government Code, because of the person’s activities for compensation on behalf of a profession related to the operation of the state board.

(c) A person may not be a member of the state board and may not be a state board employee employed in a “bona fide executive, administrative, or professional capacity,” as that phrase is used for purposes of establishing an exemption to the overtime provisions of the federal Fair Labor Standards Act of 1938 (29 U.S.C. § 201 et seq.) and its subsequent amendments, if:
(1) the person is an officer, employee, or paid consultant of a Texas trade association whose primary purpose is the promotion of soil and water conservation; or
(2) the person’s spouse is an officer, manager, or paid consultant of a Texas trade association whose primary purpose is the promotion of soil and water conservation.