It is declared to be the public policy of this State, pursuant to paragraph (h) of Section 6 of Article VII of the Illinois Constitution of 1970, that a power or function set forth in this Act to be exercised by the State is an exclusive State power or function. No power or function granted under this Act shall be exercised concurrently, either directly or indirectly, by a unit of local government, including home rule units, except as otherwise provided in this Act.
225 ILCS 84/175