It shall be the duty of any person authorized to enforce the provisions of this chapter to post an appropriate sign in a conspicuous place at a location where a dog or cat or any biting, vicious or rabid animal is being quarantined or confined to warn the public of this fact. It is unlawful for anyone to obstruct the posting of such a sign or to remove or destroy such a posted sign without permission of the health officer. (Ord. 163 § 8(E), 1997)