A dog may not be declared vicious if the court determines the conduct of the dog was justified because:
No dog shall be deemed "vicious" if it is a professionally trained dog for law enforcement or guard duties. Vicious dogs shall not be classified in a manner that is specific as to breed.
If the burden of proof has been met, the court shall deem the dog to be a vicious dog.
If a dog is found to be a vicious dog, the owner shall pay a $100 public safety fine to be deposited into the county animal control fund , the dog shall be spayed or neutered within 10 days of the finding at the expense of its owner and microchipped, if not already, and the dog is subject to enclosure. If an owner fails to comply with these requirements, the animal control agency shall impound the dog and the owner shall pay a $500 fine plus impoundment fees to the animal control agency impounding the dog. The judge has the discretion to order a vicious dog be euthanized. A dog found to be a vicious dog shall not be released to the owner until the Administrator, an Animal Control Warden, or the Director approves the enclosure. No owner or keeper of a vicious dog shall sell or give away the dog without approval from the Administrator or court. Whenever an owner of a vicious dog relocates, he or she shall notify both the Administrator of County Animal Control where he or she has relocated and the Administrator of County Animal Control where he or she formerly resided.
Any dog which has been found to be a vicious dog and which is not confined to an enclosure shall be impounded by the Administrator, an Animal Control Warden, or the law enforcement authority having jurisdiction in such area.
If the owner of the dog has not appealed the impoundment order to the circuit court in the county in which the animal was impounded within 15 working days, the dog may be euthanized.
Upon filing a notice of appeal, the order of euthanasia shall be automatically stayed pending the outcome of the appeal. The owner shall bear the burden of timely notification to animal control in writing.
Guide dogs for the blind or hearing impaired, support dogs for persons with physical disabilities, accelerant detection dogs, and sentry, guard, or police-owned dogs are exempt from this Section; provided, an attack or injury to a person occurs while the dog is performing duties as expected. To qualify for exemption under this Section, each such dog shall be currently inoculated against rabies in accordance with Section 8 of this Act. It shall be the duty of the owner of such exempted dog to notify the Administrator of changes of address. In the case of a sentry or guard dog, the owner shall keep the Administrator advised of the location where such dog will be stationed. The Administrator shall provide police and fire departments with a categorized list of such exempted dogs, and shall promptly notify such departments of any address changes reported to him.
510 ILCS 5/15