For AI agents: read the machine-readable documentation index at /llms.txt or the single-file full reference at /llms-full.txt.
Form a Business

Ventilation required.

Municipal Code of Chicago § 18-28-401.2
in effect
Sign in to generate a plain English summaryAsk Belisarius Agent
18-28-401.2 Ventilation required. Every occupied space shall be ventilated by natural means in accordance with Section 18-28-402 or by mechanical means in accordance with Section 18-28-403.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2686830Fetched: 10/24/2026

Starting a business in Illinois? Illinois LLC guide: costs and requirements

18-28-401.2 | Corpus