Wash. Rev. Code § 4.56.050
When a setoff shall be established in an action brought by executors or administrators, and a balance found due to the defendant, the judgment rendered thereon against the plaintiff shall have the same effect as if the action had been originally commenced by the defendant.
[Code 1881 s 500; 1877 p 107 s 504; RRS s 269.]
Rules of court:Cf. CR 54(b).