Washington Revised Code Title 10. Criminal Procedure § 10.37.010. Pleadings required in criminal proceedings

No pleading other than an indictment, information or complaint shall be required on the part of the state in any criminal proceedings in any court of the state, and when such pleading is in the manner and form as provided by law the defendant shall be required to plead thereto as prescribed by law without any further action or proceedings of any kind on the part of the state.