49 CFR Part 541

6 sections.

§ 541.1
§ 541.1 Scope.
§ 541.2
§ 541.2 Purpose.
§ 541.3
§ 541.3 Application.
§ 541.4
§ 541.4 Definitions.
§ 541.5
§ 541.5 Requirements for passenger motor vehicles.
§ 541.6
§ 541.6 Requirements for replacement parts.

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.