How to Appeal Your VRT Assessment: A Complete Guide to Challenging Your OMSP

Appealing Your VRT Assessment: A Step-by-Step Guide showing a VRT document with a checkmark and a pen.
A simple 5-step guide makes it easier to appeal your VRT assessment in Ireland.

The letter from Revenue arrives, and your heart sinks. You knew VRT would be due on the car you imported, but you weren't expecting this. The OMSP is EUR 14,500, and you only paid EUR 9,000 for the car in the UK. The VRT bill is EUR 3,800. You don't have that kind of money sitting around, and it feels like you're being penalised for no good reason.

If you've been through this, you know the feeling. It's frustrating, it feels unfair, and you're not sure what to do about it. The good news is that you have options. Revenue's VRT assessment isn't set in stone. You can challenge it, and people do. I've spoken to plenty of importers who successfully got their OMSP reduced and their VRT refunded. It's not always easy, but it's definitely possible.

This guide walks you through the entire appeals process, from the first phone call to the Tax Appeals Commission. I'll tell you what evidence you need, how to present it, what timelines to expect, and when it makes sense to get professional help.

Understanding Your Right to Appeal

First, let's get one thing straight. You have a legal right to challenge Revenue's VRT assessment. This isn't a favour Revenue does for nice people. It's a right that's built into the tax system. The process is designed to give you a fair hearing if you believe the assessment is wrong.

The appeals system has two main stages. Stage one is an internal review within Revenue. A different officer, who wasn't involved in the original decision, looks at your case again. Stage two is the Tax Appeals Commission, which is independent of Revenue. You don't have to go to stage two if the internal review goes your way. But if it doesn't, you have the right to escalate.

Now let me be honest with you. The internal review is where most cases are resolved. The Tax Appeals Commission is more formal, takes longer, and you might need professional help. So your best chance of success is to put together a strong case for the internal review. Get it right the first time.

Common Reasons People Appeal Their VRT Assessment

Before we get into the process, let's talk about why people appeal. Understanding the common grounds for appeal will help you figure out if you have a case worth pursuing.

OMSP Is Too High

This is by far the most common reason. Revenue assigns an Open Market Selling Price that's higher than what comparable cars are actually selling for in Ireland. If the OMSP is inflated, every percentage point of VRT costs you more money. A 10% overvaluation on a car with an OMSP of EUR 20,000 means you're paying EUR 200 to EUR 400 more in VRT than you should be, depending on the CO2 band.

Wrong CO2 or NOx Data

Sometimes Revenue has incorrect emissions data for your car. Maybe they're using the NEDC value when the WLTP value should apply, or vice versa. Maybe the database has the wrong figure entirely. If the CO2 or NOx data is wrong, your VRT rate and NOx levy could be calculated on incorrect numbers. This is one of the easier appeals to win because you can provide the Certificate of Conformity as proof.

Wrong Vehicle Specification

Revenue might record the wrong trim level, engine size, or fuel type. An error in the spec sheet can push the OMSP up or down by a fair amount. Always check the VRT assessment form carefully for these errors. I've seen cases where Revenue recorded a petrol car as diesel, which affected both the OMSP and the NOx levy calculation.

Condition Not Properly Accounted For

If your car has damage, high mileage, or mechanical issues, the OMSP should reflect that. Revenue officers assess condition, but they don't always get it right. If your car's condition is worse than what was noted at the inspection, you have grounds to appeal.

Step 1: Review Your Assessment Carefully

The first thing you should do when you get your VRT assessment is read it carefully. Not just glance at it, but read every line. You're looking for mistakes.

Check the vehicle details first. Is the make, model, and year correct? Is the engine size right? What about the fuel type and transmission? These things all affect the OMSP and the VRT calculation. A single wrong digit in the engine size can change the tax band.

Next, check the CO2 figure. Does it match what's on your Certificate of Conformity? If not, note the difference. Check whether Revenue has used the correct testing standard (WLTP or NEDC).

Check the NOx figure too, if your car is a diesel. The NOx levy can add thousands to your bill if the data is wrong.

Finally, check the OMSP itself. Is it in the ballpark of what comparable cars are selling for? If you saw similar cars on DoneDeal for EUR 10,000 and Revenue says yours is worth EUR 13,000, you may have a case.

Make a note of anything that looks wrong. Take screenshots, write down the discrepancies, and organise your thoughts before you contact Revenue.

Step 2: Gather Your Evidence

Evidence is the key to a successful appeal. You can complain all you want about the OMSP being too high, but if you don't have proof, Revenue won't take you seriously. Here's what you need to collect.

Comparable Irish Market Listings

This is the most powerful evidence you can provide. Find at least three to five cars on Irish sales websites that match your car's specifications as closely as possible. Same make, model, trim level, year, and similar mileage. The closer the match, the stronger your case.

Take screenshots of each listing, including the price, the date, the URL, and enough detail to show it's a genuine comparable. Don't use listings from the UK or Northern Ireland. Revenue wants to see what cars are selling for in the Republic of Ireland.

If the comparable listings show prices that are consistently lower than Revenue's OMSP, you have a strong argument for a reduction. The more listings you can provide, the better.

Purchase Invoice and Documentation

Your invoice from the seller shows what you paid for the car. While Revenue doesn't base the OMSP solely on your purchase price, the invoice is still relevant evidence. If you paid notably less than the OMSP, it's worth including.

Also include any documentation that shows the car's condition, such as service records, MOT certificates, and repair invoices. If the car needed work to get it roadworthy, that's evidence of its condition.

Certificate of Conformity

The CoC is essential if you're disputing the CO2 or NOx data. It's the manufacturer's official document that lists the car's technical specifications. If Revenue has different figures, the CoC should take precedence.

Photographs

Take clear, well-lit photos of your car showing its condition. Include shots of any damage, wear and tear, or issues that affect the value. If the Revenue officer at the VRT inspection missed something, your photos will prove it.

Independent Valuation

For larger disputes, consider getting a professional valuation from a motor assessor or a dealer. The written report can be submitted as evidence and carries weight with Revenue's appeals officers.

Step 3: Contact Revenue Informally First

Before you file a formal appeal, try to resolve the issue informally. This can save you a lot of time and hassle. Contact Revenue through MyEnquiries or call the VRT office that handled your assessment.

Explain your concern politely and ask them to review the details. Sometimes the issue is a simple data entry error that can be fixed on the spot. Other times, the officer might explain why the OMSP is what it is, and you might realise that it's actually reasonable.

I've talked to importers who resolved their issue with a single phone call. The Revenue officer had entered the wrong trim level, corrected it, and the OMSP dropped by EUR 1,500. No formal appeal needed. Always try the informal route first.

But here's the thing. Be polite. The person on the other end of the phone didn't make the rules, and they didn't personally decide to charge you more tax. Being aggressive or confrontational won't help your case. A calm, professional approach is much more likely to get results.

Step 4: Submit a Formal Appeal for Internal Review

If the informal approach doesn't work, it's time for a formal appeal. This needs to be in writing. You can use MyEnquiries through Revenue's online system, or you can send a letter to the National VRT Service. The VRT decision letter you received should have the contact details.

Your appeal letter needs to include:

  • Your name, address, and contact details
  • Your PPSN or Revenue number
  • The vehicle details (make, model, registration number, VIN)
  • The date of the VRT assessment and the reference number from your decision letter
  • Why you believe the OMSP is incorrect
  • The evidence you have to support your position (be specific about what you're providing)
  • What you believe the correct OMSP should be and why

Attach all your evidence in a well-organised format. Label each file clearly. If you have screenshots of comparable listings, put them in a single PDF with the URLs noted. If you have photos of the car's condition, group them by the issue they show. The easier you make it for the appeals officer to review your evidence, the better.

Be realistic in what you're asking for. If comparable cars are selling for EUR 11,000 to EUR 12,000 and your OMSP is EUR 14,500, ask for a reduction to EUR 11,500 or EUR 12,000. Don't ask for EUR 8,000 unless you have evidence to support that figure. Unreasonable requests undermine your credibility.

What Happens During the Internal Review

Once your appeal is received, Revenue assigns it to an appeals officer who wasn't involved in the original decision. This officer reviews your evidence, checks Revenue's data, and may do their own research into market prices.

The officer might contact you for more information. If they do, respond promptly and provide what they ask for. Delays in responding can slow down the process and might be seen as a lack of interest.

Revenue aims to complete the internal review within a reasonable timeframe. In practice, this can take anywhere from a few weeks to a few months, depending on the complexity of the case and how busy the appeals team is. If you haven't heard anything after four to six weeks, follow up politely through MyEnquiries.

If the appeal is successful, Revenue issues a revised assessment with the new OMSP. Any VRT you've overpaid will be refunded. The refund process can take another few weeks, but you will get your money back.

If the appeal is rejected, Revenue will explain why. They should give you specific reasons, not just a blanket refusal. Read their response carefully. If they've addressed your evidence properly, you'll know whether it's worth pursuing to the next stage.

Step 5: Escalating to the Tax Appeals Commission

If the internal review doesn't go your way, you can take your case to the Tax Appeals Commission (TAC). The TAC is independent of Revenue, and their decisions are legally binding on both sides.

To start the TAC process, you need to file a Notice of Appeal within 30 days of receiving Revenue's decision on your internal review. The TAC's website has the form and instructions. There's no fee for filing, but you may want professional representation, which costs money.

The TAC process is more formal than the internal review. There will be a hearing, which can be in person or virtual. Both sides present their evidence. You can represent yourself, but if the amount at stake is notable, it's worth considering professional help.

TAC hearings are less formal than court proceedings, but they're still formal enough that you should prepare properly. Make sure your evidence is well organised. Practice explaining your case clearly. Be ready to answer questions from the Commissioner.

The TAC will issue a written decision after the hearing. If the decision goes in your favour, Revenue must implement it. If it doesn't, you have limited options for further appeal, usually to the High Court on a point of law.

Success Stories: People Who Won Their Appeal

I've collected a few stories from people who successfully appealed their VRT assessments. These aren't unusual cases. They're regular people who put together a good case and got results.

Case 1: Wrong Trim Level

A man imported a 2017 Volkswagen Passat from the UK. Revenue assessed it as an R-Line trim with an OMSP of EUR 18,500. The car was actually an SE trim, which is worth less. He provided photos of the interior showing the SE badges and a spec sheet from the manufacturer. The OMSP was reduced to EUR 16,200, and he got a refund of about EUR 500.

Case 2: Strong Comparables

A woman imported a 2019 Toyota Corolla. Revenue's OMSP was EUR 16,000. She found seven comparable cars on DoneDeal and Carzone with prices ranging from EUR 12,500 to EUR 14,000. She submitted screenshots and URLs. Revenue reduced the OMSP to EUR 13,800, saving her around EUR 400 in VRT.

Case 3: Condition Adjustment

A man imported a 2016 BMW 5 Series that had accident damage repaired on one side. The paint didn't match perfectly, and there was evidence of bodywork. Revenue's inspection noted the car as being in average condition but didn't adjust the OMSP enough. He submitted photos and a repair invoice showing the work that was done. The OMSP was reduced by EUR 1,200.

Case 4: Incorrect CO2 Data

A woman imported a 2021 hybrid SUV. Revenue used a CO2 figure of 145g/km, which put the car in the 19% VRT band. Her Certificate of Conformity showed 126g/km, which is 15%. She submitted the CoC to Revenue. The CO2 figure was corrected, her VRT rate dropped from 19% to 15%, and she saved about EUR 900.

These cases all have one thing in common. The importers didn't just complain. They gathered evidence, presented it clearly, and followed the process. That's what it takes.

When to Get Professional Help

Not every VRT appeal needs professional help. If the amount at stake is a few hundred euros, it's probably not worth paying a consultant or a solicitor. But if the difference is EUR 1,000 or more, professional help might pay for itself.

A VRT consultant knows the Revenue system, knows what evidence works, and knows how to present a case. They can save you time and increase your chances of success. Some consultants charge a flat fee, others charge a percentage of the amount saved. Ask about their fee structure before you engage them.

You should consider professional help if:

  • The OMSP is more than EUR 2,000 above what you believe it should be
  • The case involves complex technical issues around CO2 or NOx data
  • You've already had one appeal rejected and you're considering the TAC
  • You're not confident in your ability to present the case effectively
  • You simply don't have the time or energy to deal with the process yourself

Be careful who you hire. There are reputable VRT consultants in Ireland, but there are also people who charge high fees and deliver little value. Ask for references, check reviews, and get the fee agreement in writing before you commit.

Timelines and What to Expect

The appeals process takes time. Here's a rough timeline so you know what to expect.

Informal contact: A few days to a week. You reach out, they respond, and hopefully resolve the issue quickly.

Formal internal review: Four to eight weeks. Revenue receives your appeal, assigns an officer, reviews the evidence, and issues a decision. It can be faster for simple cases and slower for complex ones.

TAC process: Three to six months from filing the Notice of Appeal to the hearing date, then another few weeks for the written decision.

Refund: Two to four weeks after a successful appeal. Revenue processes the refund once the revised assessment is issued.

Throughout this process, be patient but persistent. Follow up if you haven't heard anything in a reasonable time. Keep records of all communications. And don't give up if the first response isn't what you wanted.

Do You Have to Pay While You Appeal?

This is one of the most common questions I get. The answer is that in most cases, you need to pay the assessed VRT to register your car. You can't drive an unregistered car in Ireland, so if you need the car on the road, you'll have to pay first and appeal later.

The good news is that if your appeal is successful, Revenue will refund the overpaid amount with interest. You won't lose money by paying upfront. The bad news is that you need to have the cash available while you wait for the appeal to be processed.

If you can't afford to pay the assessed VRT while the appeal is pending, you have limited options. You could try to negotiate a payment plan with Revenue, but I've heard mixed results on that front. You could also leave the car off the road until the appeal is resolved, but that's not practical for most people.

Final Advice on VRT Appeals

Appealing a VRT assessment is a straightforward process when you know what you're doing. The key is preparation. Gather your evidence before you submit anything. Make sure your comparables are accurate and relevant. Present your case clearly and politely.

Remember that Revenue deals with appeals every day. They have a process for it, and they follow it. Your job is to work within that process, not against it. Be organised, be patient, and be persistent. If you have a genuine case, you have a good chance of success.

And if you're not sure whether you have a case, ask. Use our VRT calculator to check whether Revenue's OMSP seems reasonable. Talk to a consultant if the amount is notable. Look at comparable cars online and see where the market actually is. The more information you have, the better decisions you'll make.

About the Author

Sarah Murphy is an automotive import specialist with over 10 years of experience helping Irish car importers navigate VRT, customs, and vehicle registration. She has assisted thousands of importers with accurate VRT estimates and has been featured in Irish motoring publications.

Questions? Contact the VRT Calculator team for expert advice on vehicle registration tax in Ireland.