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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Sep 16, 2025
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Title 49
Chapter VI
Part 663
Subpart D - Subpart D—Certification of Compliance With or Inapplicability of Federal Motor Vehicle Safety Standards
§ 663.41 - Certification of compliance with Federal motor vehicle safety standards.
§ 663.43 - Certification that Federal motor vehicle standards do not apply.
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