35 ILCS 130/18c
With the exception of licensed distributors and transporters, as defined in Section 9c of this Act, possessing unstamped original packages of cigarettes, and licensed distributors possessing original packages of cigarettes that bear a tax stamp of another state or taxing jurisdiction, anyone possessing or having possessed not less than 10 and not more than 100 packages of contraband cigarettes contained in original packages is liable to pay to the Department, for deposit into the Tax Compliance and Administration Fund, a penalty of $15 for each such package of cigarettes, unless reasonable cause can be established by the person upon whom the penalty is imposed. Reasonable cause shall be determined in each situation in accordance with rules adopted by the Department. The provisions of the Uniform Penalty and Interest Act do not apply to this Section.
35 ILCS 130/18c