Washington Revised Code Title 70. Public Health and Safety § 70.122.090. Criminal conduct--Penalties

(1) Any person who willfully conceals, cancels, defaces, obliterates, or damages the directive of another without such declarer's consent is guilty of a gross misdemeanor.

(2) Any person who falsifies or forges the directive of another, or willfully conceals or withholds personal knowledge of a revocation as provided in RCW 70.122.040 with the intent to cause a withholding or withdrawal of life-sustaining treatment contrary to the wishes of the declarer, and thereby, because of any such act, directly causes life-sustaining treatment to be withheld or withdrawn and death to thereby be hastened, shall be subject to prosecution for murder in the first degree as defined in RCW 9A.32.030.