(1) A health-care provider or institution acting in good faith and in accordance with generally accepted health-care standards applicable to the health-care provider or institution is not subject to civil or criminal liability or to discipline for unprofessional conduct for: Complying with a health-care decision of a person apparently having authority to make a health-care decision for a patient, including a decision to withhold or withdraw health care;
(2) Declining to comply with a health-care decision of a person based on a belief that the person then lacked authority; or
(3) Complying with an advance health-care directive and assuming that the directive was valid when made and has not been revoked or terminated.
(4) An individual acting as agent or surrogate under Sections 41-41-201 through 41-41-229 is not subject to civil or criminal liability or to discipline for unprofessional conduct for health-care decisions made in good faith.