eCFR Reference Browser

---

title: "40 CFR §54.1"

source: "https://www.ecfr.gov/current/title-40/section-54.1"

title_number: "40"

volume_number: "6"

chapter_number: "Unknown"

subchapter_code: "C"

subchapter_subject: "AIR PROGRAMS (CONTINUED)"

part_code: "54"

part_subject: "PRIOR NOTICE OF CITIZEN SUITS"

subpart_code: "A"

subpart_subject: "General Provisions"

section_number: "54.1"

section_subject: "Purpose."

cfr_reference: "40 CFR 54.1"

title_name: "Title 40"

title_subject: "Protection of Environment"

parts_covered: "Parts 53 to 59"

revised_date: "Revised as of July 1, 2019"

publication_date: "As of July 1, 2019"

contains_description: "Containing a codification of documents of general applicability and future effect"

publication_info: "Published by the Office of the Federal Register National Archives and Records Administration as a Special Edition of the Federal Register"

---

Section 304 of the Clean Air Act, as amended, authorizes the commencement of civil actions to enforce the Act or to enforce certain requirements promulgated pursuant to the Act. The purpose of this part is to prescribe procedures governing the giving of notices required by subsection 304(b) of the Act (sec. 12, Pub. L. 91-604; 84 Stat. 1706) as a prerequisite to the commencement of such actions.

§54.1 - Purpose.