Wash. Rev. Code § 3.50.010
Any city or town with a population of four hundred thousand or less may by ordinance provide for an inferior court to be known and designated as a municipal court, which shall be entitled "The Municipal Court of . . . . . . . . . (insert name of city or town)," hereinafter designated and referred to as "municipal court," which court shall have jurisdiction and shall exercise all powers by this chapter declared to be vested in the municipal court, together with such other powers and jurisdiction as are generally conferred upon such court in this state either by common law or by express statute. However, no municipal court established under this section shall have jurisdiction over any matter until six months after a notice of intent to create a new municipal court is sent to the administrative office of the courts.
RCW 3.50.010
Court Improvement Act of 1984-Effective dates-Severability-Short title-1984 c 258: See notes following RCW 3.30.010.
Application-1984 c 258 ss 101-139: See note following RCW 3.50.005.