Federal Requirements Contacts
Federal Heavy Vehicle Use Tax: Internal Revenue Service
1-800-829-1040 or
202-622-3130
US DOT Number (Form MCS-150)
Licensing/Insurance
US Department of Transportation
Federal Highway Administration
Office of Motor Carriers
202-358-7000 or
Regional Office: Indianapolis, IN
317-226-7474
US DOT Safety Regulations Information and Forms
US Department of Transportation
Federal Highway Administration
Office of Motor Carriers
1-800-832-5660 or
Regional Office: Indianapolis, IN
317-226-7474