Prescriptions for medications may be written by and dispensed on the order of a certified registered nurse practitioner in outpatient psychiatric clinics as authorized under 49 Pa. Code Chapter 18, Subchapter C (relating to certified registered nurse practitioners) and Chapter 21, Subchapter C (relating to certified registered nurse practitioners).
55 Pa. Code § 5200.42a
This section cited in 55 Pa. Code § 5200.42b (relating to clarification of the term "written"-statement of policy).