(1) For the purposes of this section, "provider" means a private or public agency, government entity, health care provider, professional person, health care facility, or person acting under the direction of a health care provider or professional person, health care facility, or long-term care facility.

(2) A provider is not subject to civil liability or sanctions for unprofessional conduct under the uniform disciplinary act, chapter 18.130 RCW, when in good faith and without negligence:

(a) The provider provides treatment to a principal in the absence of actual knowledge of the existence of a directive, or provides treatment pursuant to a directive in the absence of actual knowledge of the revocation of the directive;

(b) A health care provider or mental health professional determines that the principal is or is not incapacitated for the purpose of deciding whether to proceed according to a directive, and acts upon that determination;

(c) The provider administers or does not administer behavioral health treatment according to the principal's directive in good faith reliance upon the validity of the directive and the directive is subsequently found to be invalid;

(d) The provider does not provide treatment according to the directive for one of the reasons authorized under RCW 71.32.150; or

(e) The provider provides treatment according to the principal's directive.