35 ILCS 5/1004

Failure to file withholding returns or annual transmittal forms for wage and tax statements. In addition to any other penalties imposed by this Act, a taxpayer failing to file a quarterly return or the annual transmittal form for wage and tax statements required by Section 704 or regulations promulgated thereunder shall incur a penalty for each such failure as prescribed by Section 3-3 of the Uniform Penalty and Interest Act.