{"data":{"id":"us/40-cfr-1036.435","jurisdiction":"us","citation":"40 CFR 1036.435","heading":"Recordkeeping requirements.","body":"Keep the following paper or electronic records of your field testing for five years after you complete all the testing required for an engine family:\n(a) Keep a copy of the reports described in § 1036.430.\n(b) Keep any additional records, including forms you create, related to any of the following:\n(1) The recruitment, screening, and selection process described in § 1036.410, including the vehicle owner's name, address, phone number, and email address.\n(2) Pre-test maintenance and adjustments to the engine performed under § 1036.415.\n(3) Test results for all void, incomplete, and voluntary testing described in § 1036.430.\n(4) Evaluations to determine why an engine failed any of the bin standards described in § 1036.420.\n(c) Keep a copy of the relevant calibration results required by 40 CFR part 1065.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER U—AIR POLLUTION CONTROLS","PART 1036—CONTROL OF EMISSIONS FROM NEW AND IN-USE HEAVY-DUTY HIGHWAY ENGINES","Subpart E—In-Use Testing"],"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":"3f6ac5c953c57d06fda53806e935715df97b4aa4354db35aca923643718b2944","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-1036.430","next":"us/40-cfr-1036.440"},"notice":"GroundRules: Original legal text. Not legal advice."}