If a hospital provides psychiatric services, the hospital shall comply with the following requirements:

(1) Psychiatric services must be under the supervision of a licensed psychiatrist on a 24-hour basis.

(2) Psychiatric service staff must include a sufficient number of adjunctive therapists to provide restorative and rehabilitation services for the number of patients accommodated.

(3) A licensed registered nurse or a licensed practical nurse under the supervision of a registered nurse shall be in charge 24 hours a day.