Code of Massachusetts Regulations 540 CMR - REGISTRY OF MOTOR VEHICLES
The 540 CMR (Code of Massachusetts Regulations, Title 540) encompasses regulations established by the Massachusetts Registry of Motor Vehicles (RMV). These regulations govern various aspects of motor vehicle operation, safety, and licensing within the Commonwealth.
Key Sections of 540 CMR
540 CMR 2.00 – Motor Vehicle Regulations
This foundational regulation outlines general provisions for motor vehicle operations in Massachusetts, promoting and protecting public safety. It includes definitions, registration requirements, and operational standards for vehicles on public ways. Notably, proposed amendments are under consideration to establish a process for reinstating Commercial Driver’s Licenses (CDLs) after a 10-year disqualification period. A public hearing for these amendments was held on April 4, 2025.
540 CMR 4.00 – Annual Safety and Combined Safety and Emissions Inspection
This regulation mandates annual safety and emissions inspections for all motor vehicles, trailers, semi-trailers, and converter dollies registered in Massachusetts. It also sets forth certification requirements for special safety needs, including licensing of inspection stations and inspectors.
540 CMR 6.00 – Alteration of Motor Vehicle Height
This regulation provides rules for modifying the height of four-wheel-drive motor vehicles by elevating or lowering the chassis or body more than two inches above or below the original manufacturer's height. Such alterations must comply with safety standards to ensure vehicle roadworthiness.
540 CMR 22.00 – Miscellaneous Motor Vehicle and Trailer Equipment and Operations Requirements
This section establishes various equipment and operational standards for motor vehicles and trailers, including requirements for lighting, signaling devices, and other safety equipment. It aims to ensure that vehicles meet safety and environmental standards.
540 CMR 2.22 – Markings on Commercial Vehicles
Effective September 1, 2018, this regulation requires the owner's name to be plainly visible on motor trucks used for transporting goods for hire. The markings must be in permanent letters contrasting sharply with the background and legible from a distance of 50 feet during daylight hours. Exemptions apply to certain vehicles, such as those owned by farmers or operated under long-term leases.
RELATED Blog
0 comments