(1) Keeps, owns or possesses within the boundaries of the reservation any dog that, when unprovoked, inflicts bites on a human or a domestic animal, or chases or approaches a person or domestic animal in a menacing fashion or apparent attitude of attack, or any dog with a known propensity, tendency or disposition to attack unprovoked, or to cause injury or otherwise to threaten the safety of humans or domestic animals; and

(2) The vicious dog is not confined indoors, or in a securely enclosed and locked pen or structure or securely fenced yard, suitable to prevent entry of young children and designed to prevent the animal from escaping, where such pen or structure has secure sides and also provides protection from the elements for the dog, and is clearly and conspicuously identified with a warning symbol indicating the presence of a vicious dog. [Ord. 12-15-2021A § 8.14, 2021.]