As expressed in section 25(2-c)(c)(ii), the parties to a collective bargaining agreement may designate a managed care organization or a list of authorized providers for exclusive medical treatment of covered employees. For purposes of section 25(2-c), authorized providers are those medical professionals who have been certified by the chair in accordance with section 13-b and who have been agreed upon by the employer and the union. Review by the chair of collective bargaining agreements which designate managed care organizations or authorized provider listings for the treatment of covered employees shall be conducted in the manner set forth in section 314.2(a), (b) and (c) of this Part.