Motor Carrier Services

Motor Carrier Licensing

IFTA Tax Filing Online Service

Welcome to the IFTA Tax Filing Online Service. At this website, Arizona-based IFTA carriers can electronically file required quarterly IFTA Tax Filing Reports with the state of Arizona.

Important Notice: The State of Arizona Legislation implemented an update with Senate Bill (SB1200).

Effective August 3rd, 2018, SB1200 changes the IFTA Interest and Penalty calculation to be assessed per IFTA Articles of Agreement Assessment and Collection.

*R1220 PENALTIES .100 The base jurisdiction may assess the licensee a penalty of $50.00 or 10 percent of delinquent taxes, whichever is greater, for failing to file a tax return, filing a late tax return, underpaying taxes due.

*R1230 INTEREST .100 For a fleet based in a U.S. jurisdiction, interest shall be set at an annual rate of two (2) percentage points above the underpayment rate established under Section 6621(a)(2) of the Internal Revenue Code, adjusted on an annual basis on January 1 of each year. Interest shall accrue monthly at 1/12 this annual rate. The Repository shall notify Jurisdictions of the new rate by December 1.

Mcarrier Registration Process


The Arizona Ombudsman – Citizens Aide helps you resolve ongoing issues with State Agencies.

Civil Rights

Pursuant to Title VI of the Civil Rights Act of 1964, the Americans with Disabilities Act (ADA) and other nondiscrimination laws and authorities, ADOT does not discriminate on the basis of race, color, national origin, sex, age, or disability. Persons that require a reasonable accommodation based on language or disability should contact ADOT’s Civil Rights Office at Requests should be made as early as possible to ensure the State has an opportunity to address the accommodation.

De acuerdo con el Título VI de la Ley de Derechos Civiles de 1964, la Ley de Estadounidenses con Discapacidades (ADA por sus siglas en inglés) y otras normas y leyes antidiscriminatorias, el Departamento de Transporte de Arizona (ADOT) no discrimina por motivos de raza, color, origen nacional, sexo, edad o discapacidad. Las personas que requieran asistencia (dentro de lo razonable) ya sea por el idioma o discapacidad deben ponerse en contacto con la Oficina de Derechos Civiles de ADOT en Las solicitudes deben hacerse lo más antes posible para asegurar que el Estado tenga la oportunidad de hacer los arreglos necesarios.