For the purpose of this Act:
(a) "Artificially cooled refrigeration" hereinafter referred to as "refrigeration" means the storage or keeping of articles of food at or below a temperature of 45 degrees Fahrenheit in an artificially cooled refrigerated warehouse.(b) "Artificially cooled warehouse" hereinafter referred to as "Refrigerated warehouse" means any place artificially or mechanically cooled to or below a temperature of 45 degrees Fahrenheit in which articles of food are placed and held for 30 days or more before distribution to wholesalers, retailers or jobbers, other than a locker plant or branch locker plant as defined in "An Act in relation to meat and poultry inspection and making an appropriation therefor", approved July 22, 1959, as now or hereafter amended.(c) "Article of food" means any article used for food or drink or condiment by man, or other animals, whether simple, mixed or compound, or any article used or intended for use as an ingredient in the composition or preparation thereof, except unprocessed fruits or vegetables.(d) An article of food shall be deemed to be "received in refrigeration" when it is delivered to and comes into the possession or custody of the licensee of a refrigerated warehouse.(e) "Department" means the Department of Agriculture of the State of Illinois.(f) "Director" means the Director of the Department.