No building hereafter erected, moved, enlarged or altered shall be used or occupied, and no change in the existing occupancy classification of a building or portion thereof shall be made until the principal planning and building official issues a certificate of occupancy therefor. The certificate shall be applied for along with the application for a building permit and shall be issued only after such building has been completed in conformity with the provisions of this title and other applicable law.
(`78 Code, § 16.28.010.) (Ord. 1522 § 2 (part), 1978.)