{"data":{"id":"us/40-cfr-1036.503","jurisdiction":"us","citation":"40 CFR 1036.503","heading":"Engine data and information to support vehicle certification for NHTSA.","body":"See § 1036.505 for engine data and information required to support vehicle certification.","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 F—Test Procedures"],"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":"00a514a7f85b8b3a9148a5f4608a1459e4eeb36a7b963e2e0eb7aeac9230f706","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-1036.501","next":"us/40-cfr-1036.505"},"notice":"GroundRules: Original legal text. Not legal advice."}