235 ILCS 5/1-3.39
"Homemade brewed beverage" means beer or any other beverage obtained by the alcoholic fermentation of an infusion or concoction of grains, sugars, or both in water and includes, but is not limited to, beer, mead, and cider made by a person 21 years of age or older, through his or her own efforts, fermented at his or her place of residence, fermented at another place of residence of a homemade brewed beverage brewer, or fermented at a premises of a commercial enterprise that is engaged primarily in selling supplies and equipment for use by home brewers and not for a commercial purpose but for consumption by that person or his or her family, neighbors, guests, and friends or for use at an exhibition, demonstration, judging, tasting, or sampling with sampling sizes as authorized by Section 6-31 of this Act or as part of a contest or competition authorized by Section 6-36 of this Act.
235 ILCS 5/1-3.39