Wash. Rev. Code § 23B.14.030
(1) At any time after dissolution is authorized under RCW 23B.14.010 or 23B.14.020, the corporation may dissolve by delivering to the secretary of state for filing:
(b) Articles of dissolution setting forth:
[ 2009 c 189 s 51; 2006 c 52 s 7; 1989 c 165 s 156.]