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You may hear the International Registration Plan referred to as IRP.
What is IRP?
The purpose of the International Registration Plan (IRP) is to promote and encourage the fullest use of highways by authorizing the proportional registration of vehicle fleets and the recognition of vehicles proportionally registered in other jurisdictions to aid in economic and social development and growth of all jurisdictions.
In accordance with the IRP, an interstate carrier is only required to submit an application with the jurisdiction in which it’s based. The base jurisdiction issues the IRP apportioned license plate and IRP cab card. Since the IRP cab card will list all jurisdictions in which you have paid registration fees, it is the only vehicle registration required to operate interstate or intrastate in IRP jurisdictions. However, all other requirements pertaining to fuel or any other tax must be in compliance before you enter each state.
Apportioned vehicles are defined as any vehicle used or maintained primarily for the transportation of property and is one of the following:
Vehicles, or combinations thereof, with a GVW or registered GVW of 26,000 pounds or less and two-axle vehicles may be proportionally registered at the option of the registrant.
In some circumstances, a carrier may operate under another motor carrier authority and USDOT number. An Operational Lease (SCDMV Form IRP-9). must be completed by both parties and submitted to Motor Carrier Services at the time of the IRP Renewal or if you change the company that you are leasing under.
Your International Registration Plan (IRP) cab card will show all IRP states and Canadian provinces. Your IRP fees are calculated based on your June-July "reporting period" distances.
If you are a new carrier without a reporting period history, you will pay fees based on the South Carolina Average Per Vehicle Distance Chart (SCDMV Form IRP-APVD-2018).
You are able to operate in any IRP jurisdiction without adding a jurisdiction or buying a trip permit. For each IRP renewal, fees are charged based on the fleet’s "reporting period" distance.
Motor Carrier Services (MCS) emails a notification when it is time to renew IRP. If you need to update your email address, contact MCS.
You may call 803-896-3870 or fax a completed application for Motor Carrier Web Entry Access (SCDMV Form MC-26) to 803-896-2698.
You can register to become an IRP web user by completing the application for Motor Carrier Web Entry Access (SCDMV Form MC-26).
Heavy Vehicle Use Tax
International Registration Plan (IRP) Registrants must show a Heavy Vehicle Use Tax (HVUT) return, Schedule 1 2290 (IRS Form 2290), validated by the IRS for the current tax year or a copy of the form accompanied by a photocopy of the canceled check (front and back) used to pay the tax.
For further information on vehicles exempt from the HVUT go to www.irs.gov.
Credentials for the registration year should be on your vehicle no later than midnight of the last day of your expiration month. License plates must be mounted on the front of the power unit and the back of trailers and semi-trailers. The original cab card must be available for inspection by appropriate enforcement personnel; copies are not acceptable.
Adding or Deleting Vehicles
When adding or deleting a vehicle to or from a fleet, it will be necessary to file a Supplemental Application (SCDMV Form Schedule C) in the same manner as the original. If a TEAR is applied for, a completed Schedule C must be submitted at the time you pick up your temporary authorization at an SCDMV branch.
Registration fees may be transferred from the deleted vehicle to the added vehicle, providing it is a vehicle of the same type and registered in the same name. You must pay a $10 transfer fee to South Carolina, plus any fees that may be due to another jurisdiction. Not every IRP member jurisdiction allows for registration fee transfers, therefore, you will be charged a prorated registration fee for those states.
In cases where a deleted vehicle is not being replaced, the registrant is required to submit a completed Schedule C to Motor Carrier Services (MCS) within 30 days. The IRP cab card and license plate must also be returned, where it will remain on file until expiration. Should a replacement vehicle be purchased prior to expiration of the apportioned license and you wish to transfer the registration fees, you should contact MCS for assistance.
If you decide to increase your registered weight for any member jurisdiction, you must file a Supplemental Application (SCDMV Form Schedule C) with the SCDMV. Additional fees will be calculated for the increase in weight for the remaining portion of the registration year.
Vehicle weights will not be decreased during the license year. Weight decreases can only be made at license renewal time.