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42 USC § 7421 - Consultation

---
identifier: "/us/usc/t42/s7421"
source: "usc"
legal_status: "official_prima_facie"
title: "42 USC § 7421 - Consultation"
title_number: 42
title_name: "THE PUBLIC HEALTH AND WELFARE"
section_number: "7421"
section_name: "Consultation"
chapter_number: 85
chapter_name: "AIR POLLUTION PREVENTION AND CONTROL"
subchapter_number: "I"
subchapter_name: "PROGRAMS AND ACTIVITIES"
part_number: "A"
part_name: "Air Quality and Emission Limitations"
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, § 121, as added Pub. L. 95–95, title I, § 119, Aug. 7, 1977, 91 Stat. 719; amended Pub. L. 101–549, title I, § 108(h), Nov. 15, 1990, 104 Stat. 2467.)"
---

# 2 Consultation

In carrying out the requirements of this chapter requiring applicable implementation plans to contain—

**(1)** any transportation controls, air quality maintenance plan requirements or preconstruction review of direct sources of air pollution, or

**(2)** any measure referred to—

**(A)** in part D (pertaining to nonattainment requirements), or

**(B)** in part C (pertaining to prevention of significant deterioration),

See References in Text note below.

So in original.

and in carrying out the requirements of section 7413(d) [^1] of this title (relating to certain enforcement orders), the State shall provide a satisfactory process of consultation with general purpose local governments, designated organizations of elected officials of local governments and any Federal land manager having authority over Federal land to which the State plan applies, effective with respect to any such requirement which is adopted more than one year after August 7, 1977, as part of such plan. Such process shall be in accordance with regulations promulgated by the Administrator to assure adequate consultation. The Administrator shall update as necessary the original regulations required and promulgated under this section (as in effect immediately before November 15, 1990) to ensure adequate consultation. Only a general purpose unit of local government, regional agency, or council of governments adversely affected by action of the Administrator approving any portion of a plan referred to in this subsection [^2] may petition for judicial review of such action on the basis of a violation of the requirements of this section.

---

**Source Credit**: (July 14, 1955, ch. 360, title I, § 121, as added Pub. L. 95–95, title I, § 119, Aug. 7, 1977, 91 Stat. 719; amended Pub. L. 101–549, title I, § 108(h), Nov. 15, 1990, 104 Stat. 2467.)

## Editorial Notes

### References in Text

, referred to in text, was amended generally by , , , and, as so amended, no longer relates to final compliance orders.

### Amendments

1990— amended penultimate sentence generally. Prior to amendment, penultimate sentence read as follows: “Such regulations shall be promulgated after notice and opportunity for public hearing and not later than 6 months after .”

## Statutory Notes and Related Subsidiaries

### Effective Date

Section effective , except as otherwise expressly provided, see , set out as an Effective Date of 1977 Amendment note under .