Initial classifications — Us Code Code § 7472

Us Code Code § 7472 — Initial classifications. Reproduced from the official United States Code, with a citation summary, verification link, and related provisions.

§ 7472. Initial classifications

(a) Areas designated as class I

Upon the enactment of this part, all—

(1) international parks,

(2) national wilderness areas which exceed 5,000 acres in size,

(3) national memorial parks which exceed 5,000 acres in size, and

(4) national parks which exceed six thousand acres in size,


and which are in existence on August 7, 1977, shall be class I areas and may not be redesignated. All areas which were redesignated as class I under regulations promulgated before August 7, 1977, shall be class I areas which may be redesignated as provided in this part. The extent of the areas designated as Class I under this section shall conform to any changes in the boundaries of such areas which have occurred subsequent to August 7, 1977, or which may occur subsequent to November 15, 1990.

(b) Areas designated as class II

All areas in such State designated pursuant to section 7407(d) of this title as attainment or unclassifiable which are not established as class I under subsection (a) shall be class II areas unless redesignated under section 7474 of this title.

(July 14, 1955, ch. 360, title I, §162, as added Pub. L. 95–95, title I, §127(a), Aug. 7, 1977, 91 Stat. 731; amended Pub. L. 95–190, §14(a)(40), Nov. 16, 1977, 91 Stat. 1401; Pub. L. 101–549, title I, §§108(m), 110(2), Nov. 15, 1990, 104 Stat. 2469, 2470.)


Editorial Notes

Amendments

1990—Subsec. (a). Pub. L. 101–549, §108(m), inserted at end "The extent of the areas designated as Class I under this section shall conform to any changes in the boundaries of such areas which have occurred subsequent to August 7, 1977, or which may occur subsequent to November 15, 1990."

Subsec. (b). Pub. L. 101–549, §110(2), substituted "designated pursuant to section 7407(d) of this title as attainment or unclassifiable" for "identified pursuant to section 7407(d)(1)(D) or (E) of this title".

1977—Subsec. (a)(4). Pub. L. 95–190 inserted a comma after "size".

About This Section

42 U.S.C. § 7472 is part of Title 42 of the United States Code. The United States Code is the official codification of federal statutes maintained by the Office of the Law Revision Counsel of the U.S. House of Representatives. Congress amends the Code through new public laws, which are eventually incorporated into the relevant title.

This section may be cited in legal writing as 42 U.S.C. § 7472. For the most current official text, including any recent amendments, use the official source links below. Do not rely on this page as the sole authority for legal citation or litigation.

How to Read This Statute

Statutes are organized by title, chapter, section, and subsection. Pay attention to words like "shall," "may," "and," and "or," because they determine whether a requirement is mandatory or permissive and whether multiple conditions must all be met. Historical notes and amendments often appear at the end of a section.

Using This Page

This page is intended for research and educational use. Lawyers, students, journalists, and compliance professionals can use it as a starting point, but should always verify the current text through an official government source before relying on it for legal advice, filings, or compliance decisions.

Sources

Source: official Us Code text · Last verified 2026-08-27

At a glance

Verify the text

Statute text is transcribed from the official United States Code. Confirm it against the primary source before relying on it:

Not legal advice. Verify against the official source and consult a licensed Us Code attorney.

Common questions

What is the source of United States Code § 7472?

The text above is transcribed from the United States Code, the codified statutes of Us Code. The official publisher link appears under "Verify the text" on this page.

What subject does United States Code § 7472 address?

It addresses "Initial classifications". Read the section together with the surrounding provisions listed under "Nearby provisions" for the full picture.

Is United States Code § 7472 still in force?

Statutes are amended, repealed, and renumbered every session. Confirm the current version at the official Us Code source before relying on this text.

Can this page be used as legal advice?

No. This is a reference transcription for research. Applying Us Code law to your facts requires a licensed Us Code attorney who can review the specifics.