815 ILCS 350/3
No person shall directly or indirectly advertise or cause to be advertised, represent or cause to be represented, or hold out to the public in any manner that any sale of goods is an insurance, salvage, removal, going out of business, insolvent's, assignee's, or creditor's sale of goods, or that it is a sale of goods which have been damaged by fire, smoke, water or otherwise, unless such person shall first have obtained a license to conduct such sale under one of such descriptive names, from the clerk of the city, village, incorporated town or (in unincorporated territory) township in which such sale is to be conducted; provided, however, that this Act shall not apply to any sales directly ordered by any court or referee in bankruptcy, or to any person acting under the direction and supervision of state or federal courts in the course of their official duties; provided further, that this Act shall not apply to any sales by a person regularly engaged in insurance or salvage sales of goods, or sale of goods which have been damaged by fire, smoke, water or otherwise, who acquired the goods for the account of others as a result of fire or other casualty.
815 ILCS 350/3