Wash. Rev. Code § 4.92.020 : — CIVIL PROCEDUREACTIONS AND CLAIMS AGAINST STATE — Service of summons and complaint TEXT PDF Service of summons and complaint in such actions shall be served in the manner prescribed by law upon the attorney general, or by leaving the summons and complaint in the office of the attorney general with an assistant attorney general. RCW 4.92.020 1986 c 126 § 2; 1927 c 216 § 2; 1895 c 95 § 2; RRS § 887.