CFR › Title 49 › Part 585 › §585.3349 CFR §585.33Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThis part applies to manufacturers of passenger cars, and of trucks, buses and multipurpose passenger vehicles with a GVWR of 3,856 kg (8,500 lb) or less.