Business Group B.
Municipal Code of Chicago § 14B-3-304
in effect14B-3-304 Business Group B.
The provisions of Section 304 of IBC are adopted by reference with the following modifications:
1. Revise Section 304.1 to replace "Electronic data processing" with "Electronic data processing (with routine human occupancy)."
2. Add a new Section 304.2 to read:
"304.2 Telecommunications equipment areas.
A telecommunication equipment area that is associated with an occupancy in the same building is not considered a separate occupancy."
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2662665Fetched: 10/24/2026
