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republic-os/legal/us/code/title-42/chapter-85/section-7471.md
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Fabio 76b8ec33a7 Legal corpus: the complete U.S. Code (59,740 sections, all 53 titles)
Ingested titles 12–51 and 54 from OLRC USLM XML @119-100 (the whole Code
now, uniform edition; Title 53 is reserved/empty). LegalText 11,221 ->
59,740; repo total 105,704 records. Deterministic (byte-identical rerun,
verified on Title 42's 8,356 sections); make check green. make
legal-us-code default now covers every title.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-06 10:51:44 -04:00

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---
type: "LegalText"
title: "42 U.S.C. § 7471"
description: "Plan requirements"
jurisdiction: "us"
corpus: "united_states_code"
kind: "code_section"
title_number: 42
title_name: "THE PUBLIC HEALTH AND WELFARE"
chapter_number: "85"
chapter_name: "AIR POLLUTION PREVENTION AND CONTROL"
section: "7471"
citation: "42 U.S.C. § 7471"
status: "current"
release_point: "119-100"
release_date: "2026-06-26"
source: "official"
source_url: "https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc42@119-100.zip"
source_identifier: "/us/usc/t42/s7471"
source_file: "data/legal/raw/us/code/title-42/usc42.xml"
source_hash: "e3fb5a2a8b720f5bc5b760378cda46313d066eba30f23a2f10da6d2d82be7751"
raw_snapshot_hash: "644321055a08eb1f260a6a3e31ac157fa024756abf612a9fd6857e7e400cf24e"
text_hash: "db3cd70e78b6217bc16b0276f311863b187a8b548c0ab346affe06e2335f0f75"
retrieved_at: "2026-07-04"
confidence: "official"
tags: ["legal", "us-code"]
---
# 42 U.S.C. § 7471 - Plan requirements
## Text
In accordance with the policy of section 7401(b)(1) of this title, each applicable implementation plan shall contain emission limitations and such other measures as may be necessary, as determined under regulations promulgated under this part, to prevent significant deterioration of air quality in each region (or portion thereof) designated pursuant to section 7407 of this title as attainment or unclassifiable.
(July 14, 1955, ch. 360, title I, § 161, as added Pub. L. 9595, title I, § 127(a), Aug. 7, 1977, 91 Stat. 731; amended Pub. L. 101549, title I, § 110(1), Nov. 15, 1990, 104 Stat. 2470.)
## Notes
Editorial Notes
Amendments1990—Pub. L. 101549 substituted “designated pursuant to section 7407 of this title as attainment or unclassifiable” for “identified pursuant to section 7407(d)(1)(D) or (E) of this title”.