40 CFR § 66.1
Applicability and effective date
June 9, 2020
(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.