To interline a shipment is to transfer the shipment between two or more carriers for movement to final destination. For example, where the point of origin is Washington, DC and the final destination is Los Angeles, CA, Motor Carrier “A” may transport a shipment from Washington, DC and then interline with Motor Carrier “B” in San Antonio, TX. Motor Carrier “B” will then complete the transportation of the shipment to Los Angeles, CA.

Federal Motor Carrier Safety Administration regulations can be found in the Code of Federal Regulations, part 49, sections 300-399.

You can access the official version of current FMCSA regulations on our regulations web page. Look under "Related Links" for other regulations that may affect motor carrier operations, such as drug and alcohol regulations (section 40) and hazardous materials program procedures (section 107).

An up-to-date, unofficial version of the regulations can be found on the eCFR site.

To access previous versions of the Code of Federal Regulations (including 49 CFR 300-399) by year, back to 1996, go to the US Government Printing Office (GPO) FDsys site and select the year, then the part/section you want. If you need older versions, please contact your local library, which may have access to earlier versions of the CFR in print or online.

Proposed and final rules amending regulations (and other regulatory documents) are published daily in the Federal Register, also on the GPO website.

Recent regulatory documents published by FMCSA can be found on our "Rulemaking Documents" page.

Regulatory documents (including proposed and final rules and notices) for the FMCSA and other government agencies can be found on the Regulations.gov website. You can submit comments on proposed and final rules at this site.

A new entrant that operates a CMV in violation of an out-of-service order is subject to the penalty provisions in U.S.C. 521(b)(2)(A) for each offense as adjusted for inflation by 49 CFR 386, Appendix B.

Depending on State laws, your company may also be subject to suspension and/or revocation of state vehicle registration privileges.

For more information on the New Entrant Program, click here.

A private motor carrier transports its own cargo, usually as a part of a business that produces, uses, sells and/or buys the cargo that is being hauled. A private motor carrier transports its own goods and is required to have a USDOT number but does not need operating authority (MC number).

Please go to FMCSA's Licensing and Insurance system and select “Carrier search” from the pull-down menu. If you do not have access to the internet, please call our toll free number: 1-800-832-5660.

If the medical examiner’s certificate has expired, you must obtain a new one and provide it to your State Driver Licensing Agency (SDLA). If you require a variance and it has expired, you must renew it with FMCSA. Your State may require retesting and additional fees to get back your CDL privileges. If allowed by your SDLA, you may also change your self-certification to an operating category that does not require a medical certificate.

More information can be found on the FMCSA medical program web site.

Once you have your USDOT number, you will be able to operate as a private motor carrier. You will not be able to operate as a for-hire motor carrier until you have operating authority (an active MC number).  For more information on operating authority, click here.

There is a $300 fee for each operating authority requested.

Carriers who transport exempt commodities under part 387, subpart A are still required to maintain proof of financial responsibility on a designated form, the MCS-90, under 387.7(d), but the form is not required to be filed with FMCSA. Pursuant to 387.9, a for-hire property carrier is required to maintain a minimum level of $750,000. The only other reason you could be exempt from the minimum financial responsibility requirement is if you are not operating Commercial Motor Vehicles (i.e., your vehicles are less than 10,001 lbs.). Otherwise, you should have the appropriate documentation of financial responsibility.

Private motor carrier of passengers (business) means a private motor carrier engaged in the interstate transportation of passengers which is provided in the furtherance of a commercial enterprise and is not available to the public at large. 

For example, this would include a company transporting its own employees between job sites, but not selling seats to anyone else.  

Private motor carrier of passengers (non-business) means private motor carrier involved in the interstate transportation of passengers that does not otherwise meet the definition of a private motor carrier of passengers (business). (49 CFR 390.5)

For example, this would include a place of worship transporting people to services or other events, not for a profit.

To change the Entity type on your registration:

1. Complete an MCS-150 form ensuring that all applicable items are filled out. To avoid delays:
   1. Section 24: If you select Motor Vehicles and/or Drive Away/Towaway, you must select “Class 9” in section 25. Also, in section 25, C (Carried) and N (Non-bulk) must be checked.
   2. Section 30 and 31 must be filled out
2. Select "Biennial Update or Changes" as the "Reason for Filing" on the top of the form.
3. In the blank space at the top of the form, indicate the Entity type you need (i.e., Change Entity type to Motor Carrier)
4. Upload the form through our website at ask.fmcsa.dot.gov/ (scroll to the bottom of hte page, complete the required fields, and upload your documents), you wil receive a confirmation number by email; or via fax to 202-366-3477. 

A company’s Entity type is the term used to describe the company’s operations. When filling out your application for a USDOT Number (and Operating Authority-OA), you will be answering questions that directly impact your Entity type: Carrier, Broker, Freight Forwarder, Cargo Tank, Intermodal Equipment Provider (IEP). For additional information on this topic, check our How To Identify Entity Types video.

Note: Entity type is not the same as Operating Authority (OA) type; however, the entity type will have to correspond to your OA type. To change your type of OA, please review the information on this page.

Yes. Beginning November 1, 2013, FMCSA is issuing a warning letter by mail to the address on file at least 30 days in advance of a biennial update deadline.

If a for-hire carrier, broker, freight forwarder or other regulated entity applies for the wrong type of operating authority, or changes the type of business they do, they may need to request a change of operating authority type.

If the original application is still pending, the entity can request the change with no additional fee. If the application has already been granted, the entity would need to pay an additional $300 fee to apply for a new authority.

Please submit your request containing the following information by uploading the documents via the ASK website (scroll to the bottom of the page, complete the required fields, and upload your documents), you will receive a confirmation number by email; or via fax to 202-366-3477

• The OP-series form appropriate to the new authority you are requesting:
  • OP-1 forms if requesting change to carrier, broker or household goods carrier authority
  • OP-1(FF) form if requesting change to freight forwarder authority
  • OP-1(P) form if requesting change to passenger authority
• A letter or email with a statement describing the change you are requesting (from household goods carrier to motor carrier, or freight forwarder to motor carrier, for example)
• The signature of the person requesting the change (must be from the applicant who signed the original application or the authorized representative listed on the application.  If the person requesting the change is the authorized representative listed in MCMIS but is not listed on the application, then a written statement from owner/applicant will be needed confirming that person's authorization to request the change on behalf of the carrier before the change can be made and the representative section is updated in L&I)
• Current MC/DOT/FF numbers if available
• Updated MCS-150 form

Your form will be reviewed and processed by FMCSA. More information on applying for operating authority can be found on our "Get Authority to Operate" web page.

Either the applicant or process agent, on behalf of the applicant, can file Form BOC-3 (Designation of Process Agents) with the FMCSA. Only one completed form may be on file. It must include all states for which agency designations are required. One copy must be retained by the carrier or broker at its principal place of business.

For more information on filing form BOC-3 with the FMCSA, click here.

You can check to see if a name change or address change has been completed at http://safer.fmcsa.dot.gov

• Once in the Safer website, go to “FMCSA Searches”
• Click “Licensing & Insurance”
• Enter MC Number or USDOT Number in the appropriate box and click “search”

It may take approximately 14 days to process the request.

Starting on January 30, 2012, when you:

• Apply for a CDL
• Renew a CDL
• Apply for a higher class of CDL
• Apply for a new endorsement on a CDL
• Transfer a CDL from another State

You will be required to self-certify to a single type of commercial operation on your driver license application form. Based on that self-certification, you may need to provide your SDLA with a current medical examiner’s certificate and show any variance you may have to obtain or keep your CDL. Source: 76 FR 70661

The most efficient way to request and track a review of Federal and State crash or inspection data is using the DataQs system, which automatically forwards your Request for Data Review (RDR) to the appropriate office for resolution and collects updates and responses for current requests.

Please note: Entities that are registered in MCMIS (for examples, interstate motor carriers, brokers, freight forwarders, IEPs, etc.) must log in to the FMCSA Portal to request access to DataQs. If you don't already have a Portal account, you can learn how to set one up by clicking here. Once you have a Portal account, then you can request DataQs access.

If you aren't a registered entity in MCMIS, click here.

An Intermodal Equipment Provider (IEP) is a person or entity that makes intermodal equipment available to motor carriers for interchange.  Additional information and responsibilities are identified in 49 CFR section 390.40 of Subpart C.  

The term “intermodal equipment” refers to trailing equipment (mainly Intermodal containers, chassis but can also include trailers) used in the transportation of cargo by highway in interstate commerce.

An example of an IEP is someone who provides a container chassis to move containers when they come off either a ship or rail. An IEP may provide a chassis which will move the container to a motor carrier or provide the chassis for the intermodal movement.

To register with FMCSA as an IEP, go to the Unified Registration System (URS).

Note: If you are transporting intermodal equipment, it does not mean you would register as an IEP. In this case your entity type would be motor carrier.

To learn about other entity types, check out our How To Identify Entity Types video.

Yes. You can dissolve a partnership with an existing MC number by submitting a notarized letter signed by both partners requesting that the partner be removed from the existing authority. 

If the partners cannot agree who should keep the existing MC number:

• They should both file a new application with the required fees and get new MC numbers
• They should request that the existing MC number be voluntarily revoked. See the FAQ “How can I suspend or put my operating authority (MC number) on hold?”

If the amount of insurance on file with FMCSA needs to be raised or lowered, please create a ticket. Include the following information (preferably on company letterhead):

    USDOT#
    MC#
    Name of company
    Request to raise or lower the insurance, and the desired amount
    Signature of the requestor

Once that change has been requested, FMCSA insurance specialists will process it in our systems, provided that it reflects the amount of insurance you are required to have on file based on your type of operation.

For more information about FMCSA insurance requirements, click here.

A broker or freight forwarder who knowingly engages in interstate brokerage or freight forwarding operations without the required operating authority is liable to the United States for a civil penalty not to exceed $10,000 and can be liable to any injured third party for all valid claims regardless of the amount (49 U.S.C. 14916(c)). The penalties and liability to injured parties apply jointly and severally to all corporations or partnerships involved in the transportation and individually to all officers, directors, and principals of these business forms (49 U.S.C. 14916(d)). Under 49 U.S.C. 14901(d)(3), a broker of household goods (HHG) who engages in interstate operations without the required operating authority is liable to the United States for a civil penalty of not less than $25,000 for each violation. Source: 78 FR 54720.

To report such a violation, click here to contact the National Consumer Complaint Database.