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

Additional efficiency package options.

Municipal Code of Chicago § 14N-R4-R408
in effect
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14N-R4-R408 Additional efficiency package options. The provisions of Section R408 of IECC-RE are adopted by reference without modification.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2699218Fetched: 10/24/2026

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

14N-R4-R408 | Corpus