(1) Except as may be specifically limited by this chapter, legislative employees shall have the right to self-organization, to form, join, or assist employee organizations, and to bargain collectively through representatives of their own choosing for the purpose of collective bargaining free from interference, restraint, or coercion. Legislative employees shall also have the right to refrain from any or all such activities.

(2) Except as may be specifically limited by this chapter, the commission shall determine all questions pertaining to ascertaining exclusive bargaining representatives for legislative employees and collectively bargaining under this chapter. However, no employee organization shall be recognized or certified as the exclusive bargaining representative of a bargaining unit of employees of the legislative branch unless it receives the votes of a majority of employees in the petitioned for bargaining unit voting in a secret election by mail ballot administered by the commission. The commission's process must allow for an employee, group of employees, employee organizations, employer, or their agents to have the right to petition on any question concerning representation.

(3) The employer and the exclusive bargaining representative of a bargaining unit of legislative employees may not enter into a collective bargaining agreement that requires the employer to deduct, from the salary or wages of an employee, contributions for payments for political action committees sponsored by employee organizations with legislative employees as members.