Section 19. The department shall promulgate regulations relative to discharge plans for substance abuse treatment programs subject to licensure or approval under sections 24 and 24D of chapter 90, sections 6 and 6A of chapter 111B and section 7 of chapter 111E. A discharge plan shall be issued for each client leaving a licensed substance abuse treatment program and shall include recommended follow-up treatment, contact information for shelters in the area, additional resources for substance abuse treatment and workforce options.