Ill. Admin. Code tit. 35, § 501.223
Animal confinement area includes open lots, housed lots, feedlots, confinement houses, stall barns, free stall barns, milkrooms, milking centers, cowyards, barnyards, medication pens, walkers, animal walkways, and stables.
(Source: Amended at 48 Ill. Reg. 3170, effective February 15, 2024)