20 ILCS 205/205-350

The Department has the power to test fuel that is sold as gasohol or is claimed to be gasohol under the Use Tax Act, the Service Occupation Tax Act, or the Retailers' Occupation Tax Act in order to determine whether the fuel contains at least 10% alcohol. Any person who knowingly sells or represents as gasohol any fuel that does not qualify as gasohol under any of the above named Acts is guilty of a business offense and shall be fined not more than $100 for each day that the sale or representation takes place after notification from the Department that the fuel in question does not qualify as gasohol.