{"data":{"id":"us/40-cfr-66.52","jurisdiction":"us","citation":"40 CFR 66.52","heading":"Petitions for reconsideration of calculation.","body":"Within forty-five days after receipt of notice under § 66.51(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.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 66—ASSESSMENT AND COLLECTION OF NONCOMPLIANCE PENALTIES BY EPA","Subpart F—Review of Penalty Calculation"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"8f21e7e0659c0014bc662072e367d4a241f30fbdcd2c7b22ed7c36014d7c991f","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-66.51","next":"us/40-cfr-66.53"},"notice":"GroundRules: Original legal text. Not legal advice."}