(1) This subchapter shall not: Confer upon the caregiver any authority to make healthcare decisions on behalf of the patient;
(2) Create a private right of action against a hospital, hospital employee, or duly authorized agent of the hospital; or
(3) Remove the obligation of a third-party payer to cover a healthcare item or service that the third-party payer is obligated to provide to a patient under the terms of a valid agreement, insurance policy, plan, or certification of coverage or health maintenance organization contract.
(4) A hospital, hospital employee, contractor leaving a contractual relationship with a hospital, or duly authorized agent of a hospital shall not be held liable in any way for an act or omission of the caregiver.