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Regulations last checked for updates: Oct 03, 2026
Title 40 - Protection of Environment last revised: Oct 01, 2026
All Titles
Title 40
Chapter I
Part 1036
Subpart F - Subpart F—Test Procedures
View all text of Subpart F [§ 1036.501 - § 1036.580]
§ 1036.503 - Engine data and information to support vehicle certification for NHTSA.
See
§ 1036.505
for engine data and information required to support vehicle certification.
[91 FR 7779, Feb. 18, 2026]
authority:
42 U.S.C. 7401
—7671q
source:
88 FR 4487, Jan. 24, 2023, unless otherwise noted.
cite as:
40 CFR 1036.503
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