The United States Department of Transportation(USDOT #) is used to identify and monitor motor carrier's safety, compliance and inspections.
Motor Carrier Number(MC#) or operating authority(OP1) determines the type of operation a company may run and the cargo it may carry.
Unified Carrier Registration (UCR) is an agreement among the states set up by Congress. Annual Fees are required if you are running interstate.
FMSCA requires (1 & 2):
The Blanket of Coverage gives authority of a person to receive legal documents on your companies behalf for every state your business operates. This is required to have your authority authorized for service.
The Federal Motor Carrier Safety Administration (FMCSA), along with the Department of Transportation (DOT), requires that persons subject to the commercial driver’s license (CDL) requirements and their employers follow alcohol and drug testing rules. These rules include procedures for testing, frequency of tests, and substances tested for.
The International Registration Plan (IRP) is the registration of commercial motor vehicles registered by other jurisdictions through your home state. Apportioned licensing fees are based on the total distance traveled in each state.
The International Fuel Tax Agreement is the reporting of fuel consumption is used by motor carriers that operate in more than one state.
FMCSA's New Motor Carriers are monitored for compliance their first 18 months.
You are a motor carrier if your vehicle: