Illinois Administrative Code
Title 17 - CONSERVATION
Part 570 - MUSKRAT, MINK, RACCOON, OPOSSUM, STRIPED SKUNK, WEASEL, RED FOX, GRAY FOX, COYOTE, BADGER, RIVER OTTER, BEAVER, BOBCAT AND WOODCHUCK (GROUNDHOG) TRAPPING
Section 570.35 - Use of Rifles, Pistols and Airguns by Trappers During Deer Gun Season

Licensed trappers may use rifles and pistols, while in possession of valid Firearm Owners Identification (FOID), or airguns to kill trapped furbearers or woodchuck (groundhog) during seasons established by Section 570.20, including portions of open seasons that coincide with hunting seasons for taking white-tailed deer with guns (17 Ill. Adm. Code 650.10, 660.10 and 680.10) . All rifles, pistols or airguns so used shall be a caliber no larger than .22 to kill trapped furbearers or woodchuck (groundhog). Use of any other firearm or airgun to kill trapped furbearers or woodchuck (groundhog) during gun deer seasons is prohibited.