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June 3, 2022

What is the Mexican Carrier (MX) Number? How to get it?

MX Number is assigned by the Federal Motor Carrier Safety Administration (FMCSA) to Mexico Domiciled carriers who want to operate within the United States and across the United States/Mexico international border commercial zones. 

In addition to the MX Number, Mexico Domiciled carriers also require a Mexican Certificate of Registration for commercial-zone operations, or long haul Provisional or Standard Operating authority registration, and a USDOT number.

How to get a Mexican Carrier (MX) number

Filling the MCS-150 form is the first step toward getting your Mexican Carrier (MX) Number.

Now depending on the type of transportation, a Mexican Domiciled carrier can consider the following operating authority:

  • Commercial-Zone Authority: Commercial Zone areas are along the southern U.S. border, or locations described in 49 CFR 372, subpart B that are free from certain regulatory provisions. 

The applicant can visit the Unified Registration System to complete an OP-2 form.

  • Long Haul Operating Authority: Long-distance transportation covered by the commercial Trucks for a distance of 250 miles or above. 

The applicant has to complete the OP-1 (MX) form.

  • Designation of Agents: Form BOC-3

After completing the OP-2, OP-1 (MX), and BOC-3 forms, the applicant has to mail them to the address mentioned in each form. 

For Long Haul Operating Authority carriers have to pay a Non-Refundable fee, payment instructions are described in the OP-1 (MX).

Estimated time to get a Mexican Carrier Number

The estimated time to obtain Mexican Carrier( MX) Number varies depending on the application submitted and the means by which the application is submitted.

  • The USDOT number can be obtained online on the day the application is submitted.
  • OP-1 (MX) is processed within 4-6 weeks after completion of the application.
  • It takes approximately 4 weeks to issue Commercial-Zone Operating Authority after completion of the OP-2 form.

After the application is processed, the carrier has to submit to and pass a Pre-authorization Safety Audit (PASA). Once the PASA is completed, the FMCSA will notify the carrier about the results and of the requirement to submit evidence of insurance to FMCSA.

Simultaneously, the carrier information will be published in the FMCSA register to allow for a 10-day protest period. 

At the end of the protest period and upon the receipt of evidence of insurance and the BOC-3, Designation of process agent form, the provisional authority will be issued.

But getting the Mexican Carrier number can be a complicated process and there is no room for an error. An error will put an extra burden on your pocket and also require more time to get your Mexican number. 

So let a professional handle this process for you. DOT Compliance Group has years of experience in the trucking industry, and we have helped a number of carriers to get their MX numbers. 

Get your Mexican Carrier (MX) Number now at DOT Compliance Group.

FAQ

What if I renewed my UCR with DOT Compliance Group last year?

If you renewed with us last year, please check your Customer portal. If auto-renewal is still active, your UCR will automatically renew. If you have turned off auto-renewal, you’ll need to submit your renewal here on this page.

If I Pre-Register for 2026 UCR, when will I be charged the total amount?

The total amount will be charged on October 1, 2026 for the 2026 year.

I am an Ag Exempt Farmer. Am I exempt from registering for UCR?

No, if you cross over state lines you are required to register for UCR. Your Ag exemption does not apply to UCR.

Who is Exempt from UCR?

Private Motor Carriers of Passengers and All Motor Carriers operating solely within Hawaii, except those involved in moving household goods for individual shippers.

What states do not currently participate in UCR?

Currently Arizona, Florida, Hawaii, Maryland, Nevada, New Jersey, Oregon, Vermont, Wyoming, & the District of Columbia are non-participating states. (This information is current as of 6-16-2023. For the most up-to-date information check the FMCSA website.)

If my base state is a non-participating state that means UCR does not apply to me, correct?

No, if you operate as an interstate carrier and cross into a state that does participate, then you are required to register with UCR.

If I am an Amazon or Postal Service Contractor do I have to register for UCR?

Yes. Even though you do not cross state lines, your parcels do. That makes you an Interstate carrier and you would be required to register at the 0-2 fleet size.

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