40 CFR § 66.1 - Applicability and effective date.

---
identifier: "/us/cfr/t40/s66.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 66.1 - Applicability and effective date."
title_number: 40
title_name: "Protection of Environment"
section_number: "66.1"
section_name: "Applicability and effective date."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "66"
part_name: "ASSESSMENT AND COLLECTION OF NONCOMPLIANCE PENALTIES BY EPA"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Sec. 120, Clean Air Act, as amended, 42 U.S.C. 7420."
regulatory_source: "45 FR 50110, July 28, 1980, unless otherwise noted."
cfr_part: "66"
---


# 66.1 Applicability and effective date.

(a) This part applies to all proceedings for the assessment by EPA of a noncompliance penalty as provided by section 120 of the Clean Air Act. This penalty is designed to recover the economic advantage which might otherwise accrue to a source by reason of its failure to comply with air pollution control standards after receipt of a notice of noncompliance.

(b) These regulations shall be effective October 27, 1980.