15 ILCS 405/23.7
The Comptroller shall establish and maintain a registry of all units of local government and school districts within the State. Within 60 days following the creation or dissolution of a unit of local government or school district, each county clerk shall provide to the Comptroller information for the registry in a manner prescribed by the Comptroller. Information in the registry may include, but shall not be limited to, the name, address, and type of government unit, the names of current elected or appointed office holders, and such other information as the Comptroller may determine. Each county clerk shall notify the Comptroller upon learning of the creation or dissolution of any unit of local government or school district.
15 ILCS 405/23.7