(a) Enteral and parenteral nutrition therapy shall consist of enteral feedings or specialized intravenous solutions and shall only be ordered by an individual licensed under this Article who meets one of the following criteria:
(1) The individual is a Registered Dietitian Nutritionist registered with the Commission on Dietetic Registration.
(2) The individual is a Certified Nutrition Support Clinician certified by the National Board of Nutrition Support Certification.
(3) The individual meets the requirements set forth in rules adopted by the Board.
(b) Nothing in this Article shall be construed to limit the ability of any other licensed health care practitioner in this State to order therapeutic diets, so long as the ordering of therapeutic diets falls within the scope of the license held by the health care practitioner.