Okla. Stat. tit. 63, § 63-3111.8: Immunity

A. A health care provider or facility acting in good faith and

in accordance with generally accepted health care standards

applicable to the health care provider or facility shall not be

subject to civil or criminal liability or to discipline for

unprofessional conduct for:

1. Complying with a health care decision of a person apparently

having authority to make a health care decision for a patient;

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 a power of attorney for health care and

assuming that the designation was valid when made and has not been

revoked or terminated.

B. An individual acting as agent under this act shall not be

subject to civil or criminal liability or to discipline for

unprofessional conduct for health care decisions made in good faith.