§ 14A-4-401.1 — Permit required

14A-4-401.1 Permit required.

It is unlawful to construct, enlarge, alter, rehabilitate, repair, move, demolish, or change the occupancy classification of a building or structure, or to erect, install, enlarge, alter, repair, remove, convert, or replace any fire protection, electrical, gas, mechanical, or plumbing system, or conveyance device, the installation of which is regulated by the Chicago Construction Codes, or to cause any such work to be performed, unless a permit for such work has first been obtained from the building official in accordance with this chapter or the work is exempt from permit under Section 14A-4-402.