Motor Carrier Services: Motor Carrier Programs Intra-State For Hire Operating Authority Single State Registration System (SSRS) International Registration Plan (IRP) International Fuel Tax Agreement (IFTA) Virginia Motor Fuel Road Tax IRP and IFTA Trip Permits Overload Permits Hauling Permits Vehicle Titling Vehicle Registration Federal Heavy Vehicle Use Tax (HVUT) Commercial Driver's License (CDL) US Department of Transportation Number