All dogs and cats eight weeks and over which are harbored, kept or maintained in the city shall be licensed and registered annually; provided, however, that dogs kept in kennels need not be licensed annually while kept at such kennel and while such kennel is duly licensed as provided in Chapter 6.12 BMC. (Ord. 2061 § 2, 2011; Ord. 1511 § 2, 1993; Ord. 1279 § 2, 1987; Ord. 1168 § 2, 1985; Ord. 666 § 5.1.1, 1966).