If you're operating a commercial vehicle in Colorado, you’ll need to stay compliant with both UCR (Unified Carrier Registration) and IRP (International Registration Plan). While these two systems serve different regulatory purposes, both are essential for interstate travel.
UCR is a federal registration that applies to companies involved in interstate commerce, whether they own commercial vehicles or simply arrange transportation as brokers or freight forwarders. It’s about registering your business, not the vehicles themselves.
On the other hand, IRP is a cooperative agreement among U.S. states and Canadian provinces that allows commercial vehicles to operate in multiple jurisdictions with a single plate and registration. IRP ensures that registration fees are fairly distributed based on miles traveled in each state or province.
Colorado is a full participant in both IRP and IFTA (International Fuel Tax Agreement), which means if you’re based in Colorado and operate across state lines, you’re required to comply with both programs.
How to Get an IRP in Colorado
The International Registration Plan (IRP) is designed to streamline commercial vehicle registration for fleets traveling in more than one jurisdiction. If you're leasing or operating a vehicle that crosses state lines and meets weight or axle criteria, you'll need to register under IRP.
Where to Apply
In Colorado, you can apply through the Colorado Department of Revenue - Division of Motor Vehicles (DMV). Depending on your situation, you may be eligible to apply in person at a designated port-of-entry, by mail, or via the Colorado DMV online IRP system.
Required Documentation
To apply for IRP, you’ll need the following:
- Proof of ownership (title or lease agreement)
- Valid USDOT number
- Current UCR registration
- Vehicle identification numbers (VIN)
- Proof of insurance
- Previous mileage records or estimated miles for each jurisdiction
- Proof of established business or residency in Colorado
Once your application is processed, you’ll receive apportioned IRP plates and a cab card that lists the jurisdictions in which you’re authorized to operate.
Colorado State IFTA Requirements
The International Fuel Tax Agreement (IFTA) is a cooperative agreement among the 48 contiguous U.S. states and Canadian provinces to simplify the reporting of fuel use by motor carriers that operate in multiple jurisdictions. Colorado participates fully in IFTA.
Under IFTA, your home state (called the base jurisdiction) handles licensing, fuel tax reporting, and tax payments. If Colorado is your base and you travel interstate, you must register for IFTA.
To Apply for IFTA in Colorado:
- Complete Form DR 7119 - IFTA Carrier Application.
- Submit by mail or in person at a Colorado Department of Revenue location.
- Once approved, you'll receive IFTA decals and a license for each qualifying vehicle.
Decals are generally issued within 5 - 7 business days by mail, or same-day in person. There’s no application fee, but late filing penalties can apply
Quarterly Reporting Deadlines
IFTA requires quarterly fuel tax reports, even if you didn’t operate. Late filings are subject to a $50 penalty or 10% of the tax due, whichever is greater, plus 1% interest per month.
| Q1 | January 1 – March 31 | Due April 30 |
| Q2 | April 1 – June 30 | Due July 31 |
| Q3 | July 1 – September 30 | Due October 31 |
| Q4 | October 1 – December 31 | Due January 31 |
How to Renew My Colorado IRP Plate
Colorado IRP registrations must be renewed annually. You’ll typically receive a notice 60-90 days before your current registration expires. To renew your IRP registration you need to:
Log into your Colorado IRP online account (if applicable).
- Submit updated mileage data for each jurisdiction.
- Confirm or update vehicle details (VIN, weight, etc.)
- Provide updated proof of insurance.
- Make sure UCR and IFTA registrations are also current.
Failing to renew on time can lead to suspended plates, which means your vehicle is not legally allowed to operate or potential fines if caught operating while expired.
How Can We Help?
If handling all of this paperwork sounds overwhelming, we’re here to take the stress off your shoulders.
Our services are designed for busy owner-operators, fleet managers, and trucking companies who want to stay compliant without losing hours in red tape. Let our IRPRegistrationServices handle the paperwork so you can focus on running your business. Call today at (888) 202-4927 for a free consultation or quote!