The decision of a caregiver who possesses and presents a notarized affidavit of caregiver consent for a minor's health care pursuant to section seven hundred three of this article shall be honored by a health care facility or practitioner unless the health care facility or practitioner has actual knowledge that a parent, legal custodian or guardian of a minor has made a contravening decision to consent to or to refuse medical treatment for the minor.
W. Va. Code § 49-2-702