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Published: August 13, 2026 | Reading time: 6 minutes
If you register trucks through a Minnesota IRP (International Registration Plan) account, a sales tax program you've probably never heard of is about to start being enforced again. It's called Motor Carrier Direct Pay, or MCDP.
On August 1, Minnesota Driver and Vehicle Services (DVS) sent a bulletin to IRP registrants: starting September 1, DVS will collect MCDP documentation to verify eligibility for prorated sales tax on vehicle purchases.
That means that starting September 1, if you show up to buy a truck without an MCDP authorization letter, you may have to pay full Minnesota sales tax on the purchase price.
There is a way to get that money back if it happens to you, and we'll get to it below.
Motor Carrier Direct Pay is a Department of Revenue program for carriers that cross state lines, and the idea behind it is fair taxation. If your trucking company runs only 12% of its miles in Minnesota, it shouldn't be taxed as if it ran all of them here. So, instead of paying full sales tax when you buy equipment, an authorized carrier pays a prorated use tax, based on the share of miles the fleet runs in Minnesota. That's the arrangement described in the state's own MCDP guide and written into Minnesota Statutes 297A.90.
The math: qualifying purchase × your Minnesota prorate percentage × 6.875%. Local sales taxes don't apply.
Say you buy a $160,000 semi-tractor. Full Minnesota sales tax on that is $11,000. If 12% of your fleet miles are in Minnesota, MCDP puts the tax at $1,320. We don't know anyone who'd complain about reducing their tax bill by $9,680.
Today, the prorated rate gets sorted out at title transfer. You buy the truck, you bring the paperwork to DVS or your deputy registrar, and the tax is settled when the title moves into your name. Minnesota gives you 20 days from the purchase date to transfer that title. If you miss the window, the prorated tax rate is off the table. You'll owe full sales tax on the vehicle.
For years, that was the whole process. The MCDP authorization has been a legal requirement the entire time, but we haven't seen it enforced in years.
Many people are wondering who is eligible for the Minnesota Motor Carrier Direct Pay program. According to state rules, you qualify for MCDP authorization if any of these apply:
- You hold a certificate or permit from the U.S. Department of Transportation
- You lease to a carrier that holds a DOT permit
- You transport your own goods in interstate commerce with a Minnesota prorate account
- You transport exempt commodities under interstate commerce laws
An owner-operator leased onto an authorized carrier qualifies, and so does a private fleet hauling its own product across state lines on a Minnesota prorate account.
But before you can apply, you need a Minnesota tax ID. Minnesota's Department of Revenue won't process an MCDP application without one.
According to the bulletin, DVS states: "While this documentation has always been required, beginning Sept. 1, we will collect these documents to verify eligibility for prorated sales tax."
The rule dates back decades, and the state enforced it early on. Somewhere along the way, that faded. September 1, 2026 is when they will start enforcing it again.
An IRP (prorate) registration by itself does not exempt you from sales tax. That will likely catch many carriers off guard, because they've treated their prorate account as the exemption for years. The document DVS wants to see before granting prorated sales tax is the MCDP authorization letter.
The MCDP isn't just about purchasing vehicles, though. It also includes:
- Purchased or leased trucks, tractors, and trailers used in interstate transportation
- Repair parts and accessories that get attached to that equipment, like tires, batteries, and communication gear
A big savings that a lot of carriers overlook is when they buy repair parts & accessories. We know tires are one of the largest maintenance items on your truck, so saving sales tax there can help you keep extra money in your pocket. Consumable supplies that never become part of the equipment, like antifreeze, dollies, packing containers, and office gear, stay fully taxable.
One point that isn't clear right now is that the current application form only shows checkboxes for leases and repair parts, with nothing for vehicle purchases. Meanwhile, the state's counter handout tells carriers to get MCDP authorization before purchasing a vehicle, and the statute covers purchases. We believe the form simply hasn't been updated yet.
The guidance on paper is thin, so we've been on the phone with the Minnesota prorate counter, title and registration, and the Department of Revenue. Staff at every desk are still getting up to speed, which is understandable for a rule that sat quiet as long as this one did. Here's what we've nailed down so far:
- One application covers your whole legal entity, and it doesn't expire with the purchase. You won't reapply for each vehicle.
- Applications go by email to [email protected]. e-Services won't take them, at least for now.
- A third party can prepare and submit your application, as long as the right power of attorney is on file.
- Your prorate percentage comes from your Minnesota IRP application, so the number already exists in paperwork you file every year.
- Keep the authorization letter, your ST3 exemption certificate, and your Minnesota tax ID letter on file with your IRP account. Those are the documents DVS says it will look for.
Unfortunately, there are still some open questions about the rollout of this program, including:
- How fast Minnesota Revenue will process applications as September 1 gets close.
- How a carrier that pays full tax in the meantime claims the difference back. The statute provides for a refund; the mechanics are still fuzzy.
- How the first weeks at DVS counters and deputy registrars will go once enforcement starts.
If a truck purchase is anywhere on your horizon, apply now. The authorization has to exist before the sale, because you hand the letter to the seller at the time of purchase. Nobody knows what processing times will look like once the September rush starts. Waiting until you're at the dealership may mean paying full tax up front.
About the refund we mentioned at the top: Minnesota law lets a carrier that paid full tax on a qualifying purchase get authorized afterward, file a return, and claim back the difference between the full tax and the prorated amount. The path exists. Fronting $11,000 and waiting for the state to return most of it is nobody's first choice, which is one more reason to apply early.
We've worked through the application, the power-of-attorney requirements, and the open questions with the state, and we're tracking the answers as they firm up. Call Consultran at 651-482-1124. We'll walk through whether MCDP fits your operation and what your prorate percentage means in dollars, then get your application moving before your next purchase.
For the state's own guidance, see the Motor Carrier Direct Pay authorization page from the Minnesota Department of Revenue.
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