Cal. Pub. Util. Code § 90300
(a) Employees have the right to self-organize, to form, join, or assist labor organizations, to bargain collectively through representatives of their own choosing, and to engage in other concerted activities for the purpose of collective bargaining or other mutual aid or protection. It is declared to be in the public interest that the district not express any preference for one union over another.
(1)
(B)
(f)
(g) If the district acquires existing facilities from a publicly or privately owned public utility, either in proceedings by eminent domain or otherwise, the district shall assume and observe all existing labor contracts.
(h) The district shall not do any of the following:
(i) Notwithstanding any provision of the Government Code, the district may make deductions from the wages and salaries of its employees who authorize the deductions for the following purposes:
(j)