§ 1903.3 State law applicable.
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
(a) Unless specifically addressed by the regulations in this part, traffic safety and the permissible use and operation of vehicles within an Agency installation are governed by State law. State law that is now or may later be in effect is adopted and made a part of the regulations in this part.
(b) Violating a provision of State law is prohibited.
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.