55 ILCS 5/5-1048
A county board may contract with any city, village, incorporated town, or any person, corporation, or other county, or any agency created by intergovernmental agreement, for a period of not less than one and not more than 30 years, in relation to the collection and final disposition or to the collection alone or final disposition alone of garbage, waste refuse, and ashes. The county board may also contract with an organization or institution organized and conducted on a not-for-profit basis for the purpose of recycling garbage and refuse. The governing body shall authorize the execution of the contract by resolution, and shall appoint a committee of no more than three of its own members to serve with committees from the other contracting parties as a joint subcommittee on garbage and refuse disposal, or collection, or collection and disposal, as the case may be. If the contract is with a non-profit entity, the governing body shall appoint a committee of not more than three of its own members to oversee fulfillment of the contract.
55 ILCS 5/5-1048