California Vehicle Code Section 8000

The Reciprocity Commission may enter into agreements with foreign jurisdictions that provide for the exemption of fees for commercial vehicles if the foreign jurisdictions provide equivalent exemptions to vehicles registered in this state. The agreements shall be applicable to vehicles that are properly licensed and registered in the foreign jurisdictions. The commission may also enter into agreements that provide for the exemption of regulatory fees which are, or may be imposed, by the Public Utilities Code or the department.