Wash. Rev. Code § 9.82.030
Every person having knowledge of the commission of treason, who conceals the same, and does not, as soon as may be, disclose such treason to the governor or a justice of the supreme court or a judge of either the court of appeals or the superior court, shall be guilty of misprision of treason and punished by a fine of not more than one thousand dollars, or by imprisonment in a state correctional facility for not more than five years or in a county jail for up to three hundred sixty-four days.
[ 2011 c 96 s 9; 1992 c 7 s 16; 1971 c 81 s 45; 1909 c 249 s 67; RRS s 2319.]
Findings—Intent—2011 c 96: See note following RCW 9A.20.021.