Wash. Admin. Code § 478-121-147
Retaliation includes engaging or attempting to engage in any action, directly or indirectly, including through a third party, that is intended to harass, intimidate, threaten, harm or improperly influence any person because they:
[Statutory Authority: RCW 28B.20.130. WSR 17-15-068, § 478-121-147, filed 7/14/17, effective 8/18/17.]