(1) While on the owner’s property, a dangerous dog shall be securely confined indoors or in a securely enclosed and locked pen or structure, suitable to prevent the entry of children and designed to prevent the animal from escaping. Such pen or structure shall have secure sides, a secure top, a secure floor, and shall also provide protection from the elements for a dog.

(2) While outside the enclosure, a dangerous dog shall be muzzled and restrained by a substantial chain or leash and under physical restraint of the owner or other responsible person. The muzzle shall be made in a manner that will not cause injury to the dog or interfere with its vision or respiration, but shall prevent it from biting any person or animal.

(3) The owner shall post the premises with a clearly visible warning sign that displays a brightly-colored and clearly visible warning symbol that informs children of the presence of a dangerous dog.