56A.— In this Part and in Parts 8 and 9, notwithstanding the definition of registered medical practitioner in section 2, a reference to a registered medical practitioner shall, subject to section 60(1A) and section 70A, be construed as including a reference to a medical practitioner whose name was previously registered in the Supervised Division but whose name is no longer so registered and who is not registered in any other division of the register whether or not the registration of the medical practitioner ceased before or after the making of a complaint.