65 ILCS 5/9-2-3
Any municipality which after July 6, 1937, enters into an agreement with the Federal Government or any agency thereof or other governmental agency for the construction, extension, improvement or repair of any local improvements with the aid of a Federal grant of money, or any other governmental grant of money, services, or materials may, for the purpose of raising its portion of the funds necessary for such construction, extension, improvement, or repair, provide a special tax or special assessment of the property benefited, to pay for the share of that improvement to be met by the municipality. This special tax or special assessment shall be levied and collected, and the proceedings incident thereto shall be carried on, in conformance with the provisions of this Division 2, in so far as those provisions are applicable.
65 ILCS 5/9-2-3