It shall be unlawful for any person to own or harbor any dog, male or female, over the age of four (4) months, within the city, unless there shall be attached to such dog a collar upon which there shall be a current numbered metal license tag provided by the city. The license shall be valid for a period of one year from the date of issuance. (Ord. 0-07-1193, 10-10-2007)