In the case of a medical emergency, two adults shall be treated as domestic partners if one of the adults, in good faith, tells the emergency medical provider or hospital personnel that the adults are in a mutually interdependent relationship, for the following purposes only: Allowing one adult to accompany the ill or injured adult being transported to a hospital in an emergency vehicle; and Visitation with the ill or injured adult admitted to a hospital on an emergency basis on the same basis as a member of the ill or injured adult’s immediate family.