49 CFR § 365.105T - Starting the application process: Form OP-1.
(a)
(1) Each applicant must file the appropriate form in the OP-1 series. Form OP-1 must be filed when requesting authority to operate as a motor property carrier, a broker of general freight, or a broker of household goods; Form OP-1(P) must be filed when requesting authority to operate as a motor passenger carrier; Form OP-1(FF) must be filed when requesting authority to operate as a freight forwarder; Form OP-1(MX) must be filed by a Mexico-domiciled motor property, including household goods, carrier, or a motor passenger carrier requesting authority to operate within the United States; and effective December 16, 2009.
(2) Form OP-1(NNA) must be filed by a non-North America-domiciled motor property, including household goods, carrier or a motor passenger carrier requesting authority to operate within the United States. A separate filing fee in the amount set forth at 49 CFR 360.3T(f)(1) is required for each type of authority sought.
(b) Obtain forms at a FMCSA Division Office in each State or at one of the FMCSA Service Centers. Addresses and phone numbers for the Division Offices and Service Centers can be found at: https://www.fmcsa.dot.gov/mission/field-offices. The forms and information about filing procedures can be downloaded at: https://www.fmcsa.dot.gov/registration/registration-forms.