California Interstate User Diesel Fuel Tax (DI) License
The California Interstate User Diesel Fuel Tax (DI) License is issued only to persons who operate diesel-powered vehicles and whose interstate travel is restricted to Mexico and California, or to persons who are not based in an International Fuel Tax Agreement (IFTA) jurisdiction. Please visit our pages that explain the International Fuel Tax Agreement for more information.
- Form BOE-501-DI, Interstate User Diesel Fuel Tax Return.
- Form BOE-514-DI, Acknowledgement of Licensee Responsibilities Under the California Interstate User Diesel Fuel Tax.
- Form BOE-501-DI-s, Declaracion de Impuestos Sobre el Combustible Diesel para Usuarios Interestatales.