Wash. Rev. Code § 49.48.180
A principal who is not a resident of this state and who enters into a contract subject to RCW 49.48.150 through 49.48.190 is considered to be doing business in this state for purposes of the exercise of personal jurisdiction over the principal.
[ 1992 c 177 s 4.]
Severability—1992 c 177: See note following RCW 49.48.150.