In the case where a building owner has placed an incorrect number on a building within the city limits, the owner, agent, occupant, tenant or lessee shall, upon notification of the building official, correct the erroneous number within 30 days after the date of notification. (Ord. 6038 § 2, 2006; Ord. 5998 § 2, 2006; Ord. 2856 § 2, 1974; 1957 code § 2.15.050.)