No person shall own, keep, or harbor a dog or cat over the age of four (4) months within the city limits unless the dog or cat shall have been vaccinated with an anti-rabies vaccine by a licensed veterinarian. All such animals shall be vaccinated at one (1) year intervals from the initial date on which such animal was vaccinated or required to be vaccinated.
(1989 Code of Ordinances, Chapter 2, Section 4)