If a person fails to file a return as required by this Article, or having filed an incorrect or insufficient return, fails to file a corrected or sufficient return, as the case may require, within 10 days after the giving of notice to him by the Department that such corrected or sufficient return is required, the Department shall determine the amount of tax due at any time within 3 years after the making of the earliest disposition of alcoholic liquor included in such determination, and shall give written notice, by means of a notice of tax liability, of such determination to such person. Protest thereto and demand for a hearing may be made and final assessments arrived at in accordance with Section 8-5.
235 ILCS 5/8-4