50 ILCS 820/3

The corporate authorities of any county or municipality shall:

(1) Provide for the regulation, safe operation, licensing and inspection of bed and breakfast establishments.

(2) Provide for examination and regulation of bed and breakfast establishment operators.

(3) Designate and use full-time municipal, district, county or multicounty health departments and local fire departments as its agents.

However, the powers granted to the corporate authorities of counties by this Act shall apply only to unincorporated areas within the county.