Requires the department of health to develop a simple medical order form for documenting a person's life-sustaining and emergency treatment preferences, which clearly indicates "resuscitate" or "do not resuscitate" and other choices for life-sustaining and emergency treatment or related comfort care that shall be followed by emergency medical personnel certified under chapters 18.71 and 18.73 RCW.

Provides that emergency medical personnel who, in good faith, provide, withhold, or withdraw treatment from a person in accordance with the directions stated on a medical order form developed and endorsed by the department of health under this act and executed in accordance with this act are immune from civil or criminal liability, including professional conduct sanctions.

Provides that any provider who, in good faith, provides, withholds, or withdraws life-sustaining treatment, emergency treatment including "resuscitate" or "do not resuscitate," or related treatment for comfort care from a person in accordance with the directions stated on a medical order form developed and endorsed by the department of health under RCW 43.70.480 and signed in accordance with RCW 43.70.480(3) is immune from civil or criminal liability, including professional conduct sanctions.