Wash. Rev. Code § 4.84.160
Current through Chapter 376 of the 2024 Regular Session
When the cause of action, after the commencement of the action, by assignment, or in any other manner, becomes the property of a person not a party thereto, and the prosecution or defense is thereafter continued, such person shall be liable for the costs in the same manner as if he or she were a party, and payment thereof may be enforced by execution.
RCW 4.84.160