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Indiana Department of Revenue

MCS Home > Motor Carrier Services > Publications > Federal Requirements Checklist Federal Requirements Checklist

Listed below are the contact telephone numbers for questions regarding Federal Requirements:

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, Indiana
(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, Indiana
(317) 226-7474

Other State and Federal Agency contact information:

Department of Treasury - Internal Revenue Service
USDOT - Federal Highway Administration