22/04/2016
Taxing your vehicle online is generally a straightforward process, a far cry from the days of paper forms and postal delays. In just a few clicks, you can often have your car legally on the road. However, what happens when the digital highway hits a roadblock? Whether it's a technical glitch, expired documentation, or a change in your vehicle's status, encountering difficulties with online car tax can be incredibly frustrating. Understanding the common pitfalls and how to overcome them is key to getting back on the road swiftly.

Understanding the Essentials for Online Car Tax
Before you even attempt to tax your vehicle online, it's crucial to ensure you have the necessary documentation and meet the prerequisites. The DVLA (Driver and Vehicle Licensing Agency) requires specific information to process your application.
Valid Documentation Requirements: V5C or New Keeper Slip
To successfully tax your car online, you will need one of the following:
- V5C (Vehicle Logbook): This is the official document that registers your vehicle and contains all the essential details the DVLA needs for tax purposes. It's your primary proof of ownership and registration.
- New Keeper Slip (V5C/2): If you've recently purchased a vehicle, you'll receive this slip as a temporary document. It contains a unique reference number that allows you to tax the vehicle until you receive the full V5C logbook.
Direct Debit Setup: The Prerequisite for Automatic Renewal
For a hassle-free experience, setting up a Direct Debit for automatic renewal is highly recommended. This ensures you don't miss payment deadlines and incur penalties. To set this up, you will need:
- Bank Account Details: Your bank account number and sort code.
- Authorisation: If you are not the account holder, you must have explicit permission from the person whose bank account will be used for the Direct Debit.
Once established, your vehicle tax will automatically renew each year, providing peace of mind and preventing potential fines.
Common Reasons Why You Can’t Tax Your Car Online
Several factors can prevent a smooth online car tax application. Identifying the root cause is the first step to resolution.
Incorrect or Outdated Vehicle Information
The most common hurdle is inaccurate or incomplete information on your V5C logbook. Errors in your name, address, or the vehicle's specific details can cause the DVLA system to reject your application. It is vital that all information is up-to-date. If you need to make changes, these must be processed through the DVLA, and you should wait to receive a new V5C before attempting to tax your vehicle online.
Lack of Valid Insurance Coverage
Valid insurance is a non-negotiable requirement for taxing a vehicle. If your insurance policy has expired, or if it hasn't been correctly registered on the Motor Insurance Database (MID), you will be unable to complete the online tax process. Always double-check that your insurance is active and accurately recorded in the MID before proceeding. Renew or update your policy as necessary.
Pending SORN (Statutory Off Road Notification) Status Adjustment
If your vehicle is currently declared as SORN, meaning it's not being used on public roads, you cannot tax it online until this status is officially updated. To get your vehicle back on the road, you must cancel its SORN status. This can be done online via the DVLA website or by post. Once the SORN is lifted, you can then proceed with taxing your vehicle online.

Invalid Reference Number
When you purchase a used car, the new keeper slip (V5C/2) contains a 12-digit reference number. This number is typically valid for two months from the date of purchase. If you attempt to use it after this period, it may no longer be recognised by the DVLA system, leading to an online taxing failure. Additionally, if the previous owner has already used this reference number for a transaction, it will also be invalidated.
Previous Owner Was Exempt from Vehicle Tax
Some vehicles are exempt from vehicle tax due to specific reasons, such as being historic vehicles (over 40 years old), electric vehicles, or vehicles used by disabled individuals. If your newly purchased car was previously in an exempt category, the DVLA system may block online taxing until the vehicle's tax status is correctly updated to the standard category. This often requires a visit to a Post Office to rectify.
No Valid MOT
For vehicles older than three years, a valid MOT (Ministry of Transport) test certificate is mandatory for taxing. If your MOT has expired, or if the vehicle has failed its MOT, you will be unable to tax it. The DVLA system checks for a valid MOT record before allowing you to proceed.
Buying a Car Without a V5C Logbook
In instances where a buyer acquires a vehicle without the V5C logbook, taxing the car becomes problematic. The V5C is the primary document for tax registration. Without it, you cannot complete the online process.
How to Pay Your Car Tax Online
When all your ducks are in a row, the online process is quite simple:
- Visit the DVLA website: Navigate to the official DVLA portal.
- Select ‘Tax Your Vehicle’: Locate and click on the relevant section.
- Enter Your Vehicle Details: You'll need your vehicle registration number and the 11-digit number from your V5C logbook or the 6-digit access code from your new keeper slip.
- Verify Vehicle Information: The system will display your vehicle's details; confirm they are correct.
- Choose Payment Method: Select whether you want to pay annually, semi-annually, or set up a Direct Debit.
- Provide Payment Information: Enter your bank or card details.
- Confirm and Submit: Review all entered information and submit your application.
- Receive Confirmation Email: You should receive an email confirming your vehicle tax has been successfully processed.
Common Online Payment Issues and Solutions
Even with the right information, technical or data-related issues can arise:
- Incorrect Information: Always double-check your vehicle registration number and the V5C reference number for accuracy. A single typo can cause a failure.
- Payment Declined: Ensure your card or bank account has sufficient funds and that there are no restrictions. If the problem persists, contact your bank.
- Website Issues: If the DVLA website is down or experiencing technical difficulties, try clearing your browser's cache and cookies, using a different web browser, or attempting to access the site at a later time.
- Expired Documents: As mentioned, ensure your V5C or new keeper slip is current. If it's expired, you'll need to request a replacement from the DVLA before you can tax your vehicle.
- Insurance Verification: Confirm your insurance details are correctly logged in the MID. Discrepancies here are a frequent cause of failure. Contact your insurer if you suspect an issue.
Alternative Ways to Tax Your Car
If online taxing proves impossible, there are reliable alternative methods:
1. Taxing Your Car Over the Phone
This method is efficient if you have all your documentation ready:
- Gather Documents: Have your V5C logbook or new keeper slip (V5C/2) and your payment details (credit/debit card or bank account details for Direct Debit) to hand.
- Call the DVLA: Dial the DVLA Vehicle Tax Service at 0300 123 4321. Follow the automated prompts or speak to an advisor.
- Provide Details: You'll be asked for your vehicle registration number and the relevant reference number from your V5C or V5C/2.
- Verify Information: Confirm that the vehicle details provided by the DVLA match your own documents.
- Make Payment: Choose your preferred payment method – either a one-time payment via card or setting up a Direct Debit.
- Note Confirmation: Upon successful completion, you will receive a confirmation number. Keep this safe for your records.
2. Taxing Your Car at a Post Office
Visiting a Post Office that handles vehicle tax transactions is another viable option:
- Required Documents: You will need your V5C logbook or new keeper slip (V5C/2), a valid MOT certificate (if applicable), and proof of insurance. It's also wise to bring your preferred payment method (cash, cheque, or debit/credit card).
- Visit Participating Post Office: Locate a Post Office branch that offers vehicle tax services.
- Submit Documents: Hand over your documents to the clerk at the counter. They will verify your details and ensure everything is in order.
- Complete Transaction: Choose your payment method and complete the payment. The clerk will provide a receipt and confirmation of your vehicle tax. Keep this receipt for your records.
3. Applying for a New V5C
If you bought a car without a V5C, or if your current one is lost or damaged, you'll need to apply for a replacement using form V62. This can be done at a Post Office. Along with the V62 form, you'll need to provide proof of purchase and identification. The Post Office staff can assist you in applying for the new V5C, and you can often tax the vehicle at the same time if you have the necessary supporting documents like proof of insurance and a valid MOT.
Frequently Asked Questions (FAQs)
- Can I tax my car online with just the registration number?
- No, you cannot tax your car online using only the registration number. You will also need the 11-digit reference number from your V5C logbook or the 6-digit access code from your new keeper slip (V5C/2).
- Why might I not have to pay tax on my car?
- Certain vehicles are exempt from vehicle tax. This includes electric vehicles, vehicles over 40 years old (historic vehicles), and those registered for mobility purposes. You can verify your eligibility for tax exemption through the DVLA.
- How long can I go without car tax?
- You cannot legally drive or keep your car on public roads without valid vehicle tax. If your car tax expires, you must immediately declare a Statutory Off Road Notification (SORN). Failure to do so can result in significant fines and penalties from the DVLA.
- Is the VIN on the green slip?
- The Vehicle Identification Number (VIN) is not typically found on the green new keeper slip. The VIN is a unique identifier for your vehicle and is primarily located on your V5C registration certificate (logbook), which is the official record containing key details about your vehicle.
- How do you check if a vehicle has a clean title?
- To check if a vehicle has a clean title, you can obtain a vehicle history report from reputable providers. These reports often include information about the vehicle's registration, any outstanding finance (liens/loans), and past title status, helping you to avoid purchasing a vehicle with hidden issues.
- Can DVLA block online taxing?
- Yes, the DVLA can block online taxing if there are discrepancies or issues with your vehicle's record. This can happen due to an invalid reference number, lack of valid insurance or MOT, or if the vehicle's tax class needs to be updated, for example, if it was previously tax-exempt.
- What documents do I need to tax my car at the Post Office?
- To tax your car at the Post Office, you generally need your V5C logbook or new keeper slip (V5C/2), a valid MOT certificate (if your car is over three years old), and proof of insurance. It's always advisable to check with your local Post Office for their specific requirements.
Conclusion
While the convenience of online car taxing is undeniable, encountering issues can be a source of stress. Whether it's a problem with the new keeper slip, an expired MOT, a minor paperwork error, or an outdated reference number, there are solutions available. Understanding the requirements and common pitfalls will empower you to navigate the process more effectively. For a quick check of your car's history, MOT status, and tax class, services like Smart Car Check can be invaluable in preventing unexpected problems. If you find yourself stuck, remember that the DVLA's phone service and your local Post Office are reliable alternatives to get your vehicle taxed and back on the road legally and without delay.
If you want to read more articles similar to Taxing Your Vehicle: What to Do When Online Fails, you can visit the Transport category.
