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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 40
Chapter I
Part 1051
Subpart G - Subpart G—Compliance Provisions
§ 1051.601 - What compliance provisions apply to vehicles and engines subject to this part?
§ 1051.605 - What provisions apply to engines already certified under the motor vehicle program or the Large Spark-ignition program?
§ 1051.610 - What provisions apply to vehicles already certified under the motor vehicle program?
§ 1051.615 - What are the special provisions for certifying small recreational engines?
§ 1051.620 - When may a manufacturer obtain an exemption for competition recreational vehicles?
§ 1051.625 - What special provisions apply to unique snowmobile designs for small-volume manufacturers?
§ 1051.630 - What special provisions apply to unique snowmobile designs for all manufacturers?
§ 1051.635 - What provisions apply to new manufacturers that are small businesses?
§ 1051.640 - What special provisions apply for custom off-highway motorcycles that are similar to highway motorcycles?
§ 1051.645 - What special provisions apply to branded engines?
§ 1051.650 - What special provisions apply for converting a vehicle to use an alternate fuel?
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