Car Technology: Complete Guide Part 395

In general, all carriers and drivers operating commercial motor vehicles (CMVs) must comply with HOS regulations in 49 CFR 395 . Exceptions are listed in Sections 395.1 (b through x). In general, all carriers and drivers operating commercial motor vehicles (CMVs) must comply with HOS regulations in 49 CFR 395 . Exceptions are listed in Sections 395.1 (b through x). Part 395 is the regulatory implementation of that congressional mandate. It is not just a guideline; it is the law. A driver or motor carrier who violates Part 395 is breaking federal law and is subject to significant penalties. Part 395 is the regulatory implementation of that congressional mandate. It is not just a guideline; it is the law. A driver or motor carrier who violates Part 395 is breaking federal law and is subject to significant penalties. PART 395 —HOURS OF SERVICE OF DRIVERS Subpart A—General Sec. 395.1 Scope of rules in this part. 395.3 Maximum driving time for property- carrying vehicles. PART 395 —HOURS OF SERVICE OF DRIVERS Subpart A—General Sec. 395.1 Scope of rules in this part.