(a) Every registered dog shall at all times wear a valid registration tag issued as provided in this article. The failure to have displayed on any dog such tag shall be first evidence that such dog is not registered and the dog is subject to be impounded, sold or destroyed. Any person who keeps or owns any dog subject to registration under the provisions of this article, and who fails ,refuses, or neglects to register such dog, shall be guilty of a misdemeanor and come under any penalty that may be imposed by the county assessor as an officer of this state.
(b) Any person who forges or alters any certificate or tag, or says such tag to be valid when he knows it is invalid, or permits any dog owned by him to wear fake or invalid tags shall also be under any penalties imposed by the county assessor.
(1978 Code Sec. 4-12, 4-13)