Natural ventilation.
Municipal Code of Chicago § 18-28-402.1
in effect18-28-402.1 Natural ventilation.
Natural ventilation shall comply with Chapter 12 of the Chicago Building Code.
(Amend Coun. J. 4-10-19, p. 100029, Art. XII, § 3; Amend Coun. J. 9-14-21, p. 35949, Art. IV, § 2)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2686884Fetched: 10/24/2026
