Whenever the boundaries of a zone shall be changed so as to transfer an area from one (1) zone to another zone of a different classification, or for areas annexed into the city, the foregoing provisions shall also apply to any nonconforming uses existing therein. (Ord. No. 360, §§ 1, 3, 4-6-93; Ord. No. 2009-08, §§ 1, 2, 6-2-09. 1976 Code § 15-1-43(H))