When the corporate authorities of 2 or more cities, villages, or incorporated towns each declare by ordinance that it is in the best interests of such cities, villages, or incorporated towns to join with each other or with any one or more than one county in the collection and disposal or solely in the collection or solely in the disposal of garbage, refuse and ashes, they shall cause a contract to be prepared which shall set forth:
(a) Whether the cities, villages or incorporated towns shall participate in a joint garbage department to be operated as an inter-municipal function; or whether the cities, villages or incorporated towns shall enter into a contract or contracts with a private party or parties for the collection and disposal of garbage, refuse and ashes;(b) The financial responsibilities and contributions of the respective cities, villages and incorporated towns and counties;(c) The personnel responsibilities and contributions of the respective cities, villages and incorporated towns and counties;(d) Whether the financing shall be by service charges to be collected from persons, firms, and corporations receiving service, by tax levies, or both;(e) The term of the contract which shall be not less than one year nor more than 30 years: Provided, such contract may be modified from time to time as conditions may warrant, may be extended for periods not exceeding 30 years, may be opened to admit additional cities, villages, incorporated towns or counties and may be changed to permit the withdrawal of any participant on such conditions as shall be agreed to by all of the participants;(f) If the contracting parties so desire, an undertaking that they will provide by ordinance, license, contract or other means that the methods of disposal employed within any municipality with more than 130,000 but less than 2,000,000 population, or within any municipality which is a signatory to a plan providing for the management of solid waste generated by more than one municipality or county, shall be the exclusive methods of disposal to be allowed within their respective jurisdictions, notwithstanding the fact that competition may be displaced or that such ordinance or agreement may have an anti-competitive effect; and(g) Such other provisions as shall be deemed necessary to effectuate a workable system of collection and disposal or solely of collection or solely of disposal of garbage, refuse, and ashes. The corporate authorities of any city, village, or incorporated town and the governing body of any county entering into any such joint exercise of powers shall appoint a committee of no more than 3 of its own members to make continuing studies of the operations of such joint exercise of powers. This committee shall also meet as necessary with the committees appointed by the other contracting parties and all of such committees shall together constitute a joint committee on garbage and refuse disposal. Such joint committee shall make recommendations necessary for the improvement of the garbage, refuse and ashes collection and disposal services or collection service or disposal service alone as the case may be, and shall prepare such rules and regulations as it may from time to time deem necessary. The corporate authorities may adopt such rules and regulations by ordinance and may provide penalties for the violation thereof. The committee chosen by each of the contracting parties shall have a single vote in all activities of the joint committee.