Upon exhibition of the proper evidence of vaccination and payment of the license fee, there shall be delivered to the person making such payment a metal tag with the number and the words "San Luis Obispo County, CA Dog Tag" stamped thereon, which dog tag shall be worn at all times by the dog for which the tag was issued. If the dog is exempted from vaccination, Section 9.08.180, the dog tag shall have a distinguishing mark as evidence of such fact. (Ord. 2838 § 10, 1998: Ord. 2507 § 1 (part), 1991)