Section 2956 - Designation of upgraded diagnostic and treatment centers1. A diagnostic and treatment center established pursuant to article twenty-eight of this chapter, which is a participant in or a member of a rural health network, may request the commissioner to authorize such diagnostic and treatment center to provide limited emergency services. Such diagnostic and treatment center shall be designated an upgraded diagnostic and treatment center upon the commissioner's approval of such request.2. The commissioner shall establish guidelines for the designation of a diagnostic and treatment center as an upgraded diagnostic and treatment center pursuant to the provisions of this section. In establishing such guidelines, the commissioner shall solicit input from hospitals, diagnostic and treatment centers and physicians.N.Y. Pub. Health Law § 2956