For AI agents: read the machine-readable documentation index at /llms.txt or the single-file full reference at /llms-full.txt.
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§ 14N-R4-R407 — IECC Section R407

Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 14N-R4-R407

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14N-R4-R407 IECC Section R407.

The provisions of Section R407 of IECC-RE are not adopted.