Sec. 3. Nothing in this chapter is intended, or should be construed, to change or affect any law concerning collective bargaining or collective bargaining agreements in the building and construction industry other than:
(1) a law that permits agreements that would require membership in a labor organization;
(2) a law that permits agreements that would require the payment of dues, fees, assessments, or other charges of any kind or amount to a labor organization; or
(3) a law that permits agreements that would require the payment to a charity or a third party of an amount that is equivalent to or a pro rata part of dues, fees, assessment, or other charges required of members of a labor organization;
as a condition of employment.