(1) To execute a collective bargaining agreement requiring, as a condition of employment on or after the thirtieth day following the beginning of employment or the effective date of the agreement, whichever is the later, membership in good standing of all employees within the bargaining unit in the labor organization representing a majority of the employees in such unit.

(2) To enter into a collective bargaining agreement under which it will withhold union dues, fees or assessments from the wages of the employees and pay the same on behalf of said employees to the labor organization.

(3) To agree to pay and to pay contributions for the establishment or maintenance of any health and welfare plan or any pension or retirement plan.

(4) To make deductions from wages of employees, upon authorization of such employees for any purposes for which any private employer may make such deductions.

L.1968, c. 66, s. 12, eff. June 18, 1968.