42 USC § 7471 - Plan requirements

---
identifier: "/us/usc/t42/s7471"
source: "usc"
legal_status: "official_prima_facie"
title: "42 USC § 7471 - Plan requirements"
title_number: 42
title_name: "THE PUBLIC HEALTH AND WELFARE"
section_number: "7471"
section_name: "Plan requirements"
chapter_number: 85
chapter_name: "AIR POLLUTION PREVENTION AND CONTROL"
subchapter_number: "I"
subchapter_name: "PROGRAMS AND ACTIVITIES"
part_number: "C"
part_name: "Prevention of Significant Deterioration of Air Quality"
positive_law: false
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(July 14, 1955, ch. 360, title I, § 161, as added Pub. L. 95–95, title I, § 127(a), Aug. 7, 1977, 91 Stat. 731; amended Pub. L. 101–549, title I, § 110(1), Nov. 15, 1990, 104 Stat. 2470.)"
---


# § 7471. Plan requirements

section 7401(b)(1) of this titlesection 7407 of this title

In accordance with the policy of , 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  as attainment or unclassifiable.

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**Source Credit**: (July 14, 1955, ch. 360, title I, § 161, as added Pub. L. 95–95, title I, § 127(a), Aug. 7, 1977, 91 Stat. 731; amended Pub. L. 101–549, title I, § 110(1), Nov. 15, 1990, 104 Stat. 2470.)

## Editorial Notes

### Amendments

1990— substituted “designated pursuant to  as attainment or unclassifiable” for “identified pursuant to section 7407(d)(1)(D) or (E) of this title”.