National Trailer Dealers Association - 9864 E. Grand River Ave., Suite 110-290 - Brighton, MI 48116
Toll-free Phone: 1-800-800-4552 - Fax: (810) 229-5961
Connecting the Trailer Industry Throughout North America

Industry Resources


Federal Standards/Regulations

Federal Bridge Laws by State
Federal Size Regulations for Commercial Motor Vehicles
Commercial Vehicle Size and Weight Program
Trailer Manufacturing Requirements
FMCSA — Driver’s Handbook on Cargo Securement 
Federal Motor Carrier Safety Administration US Domestic Equipment Restrictions ("So called 35% Rule" — Semitrailers consistent with 23 CFR 658.13(g) may operate without a permit provided the distance from the kingpin to the center of the rear axle is 46 feet or less.) 
FMCSA - Inspection, Repair, and Maintenance for Motor Carriers of Passengers - Part 396
Federal Motor Vehicle Safety Standards and Regulations — Crash Avoidance
FMVSS 126 – Electronic Stability Control Systems on Heavy Vehicles

CSA Regulations
CSA 2000 Rules

Regulatory Compliance/Standards
NHTSA: Trailers and Heavy Trucks Importation and Certification FAQ's
NHTSA: Effectiveness of Retroreflective Tape on Heavy Trailers
FMVSS 223: Rear Impact Guards
SAE and NHTSA: Analysis of Maintenance and Repair Expenses for the Anti-Lock Brake System and Underride Guard for Tractors and Trailers 

Lighting and Reflective Requirements
Federal Trailer Lighting Requirements
FMVSS — Federal Lighting Requirements
FMCSA — Lamps and Reflective Devices

Emissions Regulations
EPA – SmartWay Program
EPA – Greenhouse Gas Phase 2 Regulation
EPA – Greenhouse Gas Phase 2 Regulations for Commercial Trucks and Busses
CARB: Federal and State Statutes

Internal Revenue Service/Federal Excise Tax
IRS: Motor Fuel Excise Tax Guide (300-page .pdf)
IRS: Retail Tax on Heavy Trucks, Trailers, and Tractors
IRS Section 4051: Imposition of Tax on Heavy Trucks and Trailers Sold at Retail
IRS: Fuel Tax Credits
IRS Section 4051(d) Tire Credit
Excise Tax - Manufacturing Tax Tips
IRS 2017 Standard Mileage Rate 

NTDA Bylaws and Antitrust Policies
NTDA Bylaws - Amended September 2015
NTDA Antitrust Policy - Revised October 2016