(a) Unless expressly provided otherwise by law, no person shall serve as a member or employee of a state, county, or municipal regulatory board or commission or other body that regulates any business with which he is associated. Nothing herein shall prohibit real estate brokers, agents, developers, appraisers, mortgage bankers, or other persons in the real estate field, or other state-licensed professionals, from serving on any planning boards or commissions, housing authorities, zoning board, board of adjustment, code enforcement board, industrial board, utilities board, state board, or commission.
(b) All county or municipal regulatory boards, authorities, or commissions currently comprised of any real estate brokers, agents, developers, appraisers, mortgage bankers, or other persons in the real estate industry may allow these individuals to continue to serve out their current term if appointed before December 31, 1991, except that at the conclusion of such term subsequent appointments shall reflect that membership of real estate brokers and agents shall not exceed more than one less of a majority of any county or municipal regulatory board or commission effective January 1, 1994.
(c) No member of any county or municipal agency, board, or commission shall vote or participate in any matter in which the member or family member of the member has any financial gain or interest.
(d) All acts, actions, and votes taken by such local boards and commissions between January 1, 1991 and December 31, 1993 are affirmed and ratified.