Wash. Rev. Code § 41.56.140 : — PUBLIC EMPLOYMENT, CIVIL SERVICE, AND PENSIONSPUBLIC EMPLOYEES' COLLECTIVE BARGAINING — Unfair labor practices for public employer enumerated TEXT PDF It shall be an unfair labor practice for a public employer: (1) To interfere with, restrain, or coerce public employees in the exercise of their rights guaranteed by this chapter; (2) To control, dominate, or interfere with a bargaining representative; (3) To discriminate against a public employee who has filed an unfair labor practice charge; (4) To refuse to engage in collective bargaining with the certified exclusive bargaining representative. RCW 41.56.140 Amended by 2011 c 222,§ 2, eff. 7/22/2011. 1969 ex.s. c 215 § 1.