The judges of the superior courts shall, from time to time, establish uniform rules for the government of the superior courts.
RCW 2.08.230
Rule-making power, supreme court: RCW 2.04.180 through 2.04.210.
Superior court rules: State Constitution Art. 4 s 24.
Supplementary superior court rules: RCW 2.04.210.
Uniform court rules: RCW 2.16.040.