(a) The municipal employees of any municipal employer in any city, town, or regional school district shall have the right to negotiate and to bargain collectively with their respective municipal employers and to be represented by an employee organization in the negotiation or collective bargaining concerning hours, salary, working conditions, and all other terms and conditions of employment.
(b) Notwithstanding the provisions of subsection (a), for those municipal employees who are employed by school districts, collective bargaining agreements shall not provide for benefits for health care (“benefit plans”) for school district employees unless such benefit plans are authorized in accordance with chapter 73 of title 27. School district employees whose collective bargaining agreements expire on or after September 30, 2011, may, upon expiration of such collective bargaining agreements, receive benefit plans including, but not limited to, those recommended in accordance with chapter 73 of title 27.