Every dog owner, after his/her dog attains four months of age and/or within ten working days of purchasing a license, shall procure from a licensed veterinarian an anti-rabies vaccination to be administered in the manner prescribed or approved by the State Department of Public Health. This vaccination shall be obtained prior to issuing a license for the dog. In addition, proof of vaccination shall be provided to the licensing program. (Ord. 431 § 2 (part), 1987)