235 ILCS 5/6-31: Product sampling.

(a) Retailer, distributor, importing distributor, manufacturer and nonresident dealer licensees may conduct product sampling for consumption at a licensed retail location. Up to 3 samples, consisting of no more than (i) 1/4 ounce of distilled spirits, (ii) one ounce of wine, or (iii) 2 ounces of beer may be served to a consumer in one day.

(b) Notwithstanding the provisions of subsection (a), an on-premises retail licensee may offer for sale and serve more than one drink per person for sampling purposes. In any event, all provisions of Section 6-28 shall apply to an on-premises retail licensee that conducts product sampling.

(c) A craft distiller tasting permit licensee may conduct product sampling of distilled spirits for consumption at the location specified in the craft distiller tasting permit license. Up to 3 samples, consisting of no more than 1/4 ounce of distilled spirits, may be served to a consumer in one day.