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Mechanical refrigeration or cooling system.

Municipal Code of Chicago § 14A-4-404.12
in effect
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14A-4-404.12 Mechanical refrigeration or cooling system. A permit must be obtained before the installation, alteration, or repair of a mechanical refrigeration or cooling system. A permit application for mechanical refrigeration or cooling work may be submitted as part of a general building permit application that clearly identifies the scope of mechanical refrigeration or cooling work to be performed or as a separate permit application.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2661098Fetched: 10/24/2026

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14A-4-404.12 | Corpus