---
kind: "section"
citation: "40 C.F.R. § 66.52"
title: "40"
number: "66.52"
heading: "Petitions for reconsideration of calculation."
url: "https://uscodex.org/cfr/40/66.52"
---

# §66.52. Petitions for reconsideration of calculation.


Within forty-five days after receipt of notice under [§ 66.51(a)(2)](/cfr/40/66.51.md?p=a-2) that the penalty has been recalculated by EPA, a source owner or operator who wishes to challenge EPA's recalculation shall petition in writing for reconsideration. A statement of all arguments on which the owner or operator relies, including all necessary supporting data and a substitute penalty calculation and payment schedule shall be included in or accompany this petition. Issues not raised in the petition shall be deemed waived.


## Notes

### Authority

Authority: Sec. 120, Clean Air Act, as amended, 42 U.S.C. 7420.

### Source

Source: 45 FR 50110, July 28, 1980, unless otherwise noted.