27-1-715. Liability of owner of vicious dog. (1) The owner of a dog that without provocation bites a person while the person is on or in a public place or lawfully on or in a private place, including the property of the owner of the dog, located within an incorporated city or town is liable for damages that may be suffered by the person bitten regardless of the former viciousness of the dog or the owner's knowledge of the viciousness.
(2) A person is lawfully upon the private property of the owner within the meaning of this section when the person is on the property in the performance of any duty imposed upon the person by the laws of this state or by the laws or postal regulations of the United States of America or when the person is on the property as an invitee or licensee of the person lawfully in possession of the property.