It shall be unlawful to change the occupancy of any structure if that change will subject the structure to any provision of the Chicago Construction Codes applicable to the new occupancy without first obtaining a building permit.
(Amend Coun. J. 11-13-07, p. 14999, Art. II, § 1; Amend Coun. J. 9-14-21, p. 35949, Art. I, § 1)