{"data":{"id":"us/40-cfr-85.2118","jurisdiction":"us","citation":"40 CFR 85.2118","heading":"Changes after certification.","body":"The aftermarket part manufacturer shall be required to recertify any part which:\n(a) Was certified pursuant to § 85.2114(b) and to which modifications are subsequently made which could affect the results of any test or judgment made that the part meets all of the applicable Emission-Critical Parameters;\n(b) Was certified pursuant to § 85.2114(c) and to which modifications are made which are likely to affect emissions or the capability of the part to meet any other requirement of this subpart; or\n(c) Was certified and is subsequently modified in a manner affecting the durability of the part or any emission control device, engine or the vehicle upon which such part is installed.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 85—CONTROL OF AIR POLLUTION FROM MOBILE SOURCES","Subpart V—Warranty Regulations and Voluntary Aftermarket Part Certification Program"],"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":"eb91d4aab8ff87d79354647bb2f0d4ec87d867b0006ea048d091a9c7dbff850b","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-85.2117","next":"us/40-cfr-85.2119"},"notice":"GroundRules: Original legal text. Not legal advice."}