Illinois Statutes Chapter 510. Animals § 5/35. Liability

(a) Any municipality, political subdivision, or State university or community college allowing feral cat colonies and trap, sterilize, vaccinate for rabies, and return programs to help control cat overpopulation shall be immune from criminal liability and shall not be civilly liable, except for willful and wanton misconduct, for damages that may result from a feral cat. Any municipality or political subdivision allowing dog parks shall be immune from criminal liability and shall not be civilly liable, except for willful and wanton misconduct, for damages that may result from occurrences in the dog park.

(b) Any veterinarian, animal shelter, or animal control facility who in good faith contacts the registered owner, agent, or caretaker of a microchipped animal shall be immune from criminal liability and shall not, as a result of his or her acts or omissions, except for willful and wanton misconduct, be liable for civil damages.

(c) Any veterinarian who sterilizes feral cats and any feral cat caretaker who traps cats for a trap, sterilize, vaccinate for rabies, and return program shall be immune from criminal liability and shall not, as a result of his or her acts or omissions, except for willful and wanton misconduct, be liable for civil damages.

(d) Any animal shelter or animal control facility worker who microchips an animal shall be immune from criminal liability and shall not, as a result of his or her acts or omissions, except for willful and wanton misconduct, be liable for civil damages.