CFR > Title 49 - Transportation > SUBTITLE B—Other Regulations Relating to Transportation > CHAPTER III—FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (Parts 300–399) > SUBCHAPTER B—FEDERAL MOTOR CARRIER SAFETY REGULATIONS (Parts 350–399) > PART 350—COMMERCIAL MOTOR CARRIER SAFETY ASSISTANCE PROGRAM > SUBPART C—Funding (§350.301 to §350.345) > 350.337—How may State laws and regulations governing motor carriers, CMV drivers, and CMVs in interstate commerce differ from the FMCSRs and still be considered compatible?

350.337—How may State laws and regulations governing motor carriers, CMV drivers, and CMVs in interstate commerce differ from the FMCSRs and still be considered compatible?

States are not required to adopt 49 CFR parts 398 and 399, subparts A through E and H of part 107, and §§ 171.15 and 171.16, as applicable to either interstate or intrastate commerce.