20.80.020   Buildings.
   A.   No building erected, moved, enlarged, or altered after May 7, 1964, shall be occupied, used, or changed in use until after a certificate of occupancy shall have been issued by the city. Such certificate shall be applied for coincident with the application for a building permit and shall be issued only after such building, enlargement, or alteration has been completed in conformity with the provisions of this title.
   B.   Any use legally occupying an existing building on May 7, 1964, may be continued but shall not be changed unless a certificate of occupancy for the new use shall have been issued by the city after finding that such use conforms with the provisions of this title.
(Prior code § 19.52.490(A) (Ord. 557 § 313(A), 1964))