WAC 296-130-035
WAC 296-130-035. Prohibited action
An employer must not discharge, threaten to discharge, demote, suspend, discipline, or otherwise discriminate against an employee because the employee:
(1) Has exercised, or attempted to exercise, any right provided under RCW 49.12.270 through 49.12.295 ; or
(2) Has filed a complaint, testified, or assisted in any proceeding under RCW 49.12.270 through 49.12.295 .