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Taxation (UK) · The VAT registration requirements

Late VAT Registration Penalty, Groups and Overseas Traders

Updated 11 October 2026 · Fact-checked

Registration consequences are what follows once you must register for VAT. You charge VAT from the effective date, issue VAT invoices, and may recover some pre-registration input tax. Late notification brings a penalty based on the VAT due. Groups can register together, and non-UK businesses have no registration threshold.

Understand Registration Consequences, Penalties and Special Cases

Once your taxable turnover passes the registration limit (£90,000), you must notify HMRC and register. Registration then has real consequences. The date it takes effect decides when you must start charging VAT, so you need to get it right.

Under the historic test, you notify within 30 days of the end of the month in which the limit was exceeded. Registration is effective from the first day of the second month after that month, or an earlier agreed date. Under the future test, you expect taxable supplies to exceed the limit in the next 30 days alone. You notify by the end of that 30-day period, and registration is effective from the start of the period, which is when you first knew.

From the effective date, you charge output VAT on taxable supplies and issue VAT invoices. You cannot show VAT on invoices before you are registered. You also cannot recover input VAT in the normal way before then. There is a relief: pre-registration input tax can be recovered on goods bought within four years before registration and still held at registration, and on services supplied within six months before registration. It must relate to the business.

If you notify late, there is a penalty based on the VAT due from the date you should have been registered up to the date HMRC is told. The rate depends on how late you are: up to 9 months 5%, over 9 and up to 18 months 10%, over 18 months 15%. The minimum penalty is £50.

Special cases. Companies under common control can apply for a VAT group. It is one registration, with one return from a representative member, and supplies between members are ignored. All members are jointly and severally liable. One legal entity with several divisions is a single taxable person, so turnover of all divisions is added together. Divisions can register separately only with HMRC's agreement. A business established outside the UK that makes taxable supplies in the UK has no registration threshold and must register from the first taxable supply.

Key rules to remember

Registration limit and deregistration limit
Register if taxable turnover > £90,000; deregistration limit £88,000
Both figures are given in the ACCA tax tables. Use them, do not rely on memory.
Historic test: notification and effective date
Notify within 30 days of end of month limit exceeded; effective date = 1st day of 2nd month after that month
Exceeded in July: notify by 30 August, effective 1 September.
Future test: notification and effective date
Expected taxable supplies in next 30 days alone > £90,000; notify by end of that 30-day period; effective from start of the period
Based on expectation, not past turnover.
Pre-registration input tax
Goods: bought within 4 years before registration and still held. Services: supplied within 6 months before registration
Must relate to the business; the VAT must be incurred on supplies to the business.
Late notification penalty
Penalty = % × VAT due from date should have registered to date of notification; minimum £50
Up to 9 months late 5%; over 9 up to 18 months 10%; over 18 months 15%.
VAT group
One registration; supplies between members ignored; joint and several liability
Companies under common control; one return by the representative member.
Non-UK business
Taxable supplies in UK by a business established abroad: registration threshold £0
Must register from the first taxable supply.

How to solve Registration Consequences, Penalties and Special Cases questions

Use the same order for any question on registration consequences, penalties or special cases.

  1. 1Identify who is registering: an individual, a company, a group, a business with divisions or a non-UK business.
  2. 2Decide which test applies: historic (turnover over £90,000 in the past 12 months) or future (over £90,000 expected in the next 30 days alone). A non-UK business has no threshold.
  3. 3Work out the notification deadline and the effective date using the rules for that test.
  4. 4Apply the effective date: start charging VAT, issue VAT invoices, and test pre-registration input tax using the 4-year goods and 6-month services limits.
  5. 5If the notification was late, measure how late it was and pick 5%, 10% or 15%. Apply it to the VAT due from the date you should have registered, and check the £50 minimum.
  6. 6For groups or divisions, say whether turnover is aggregated, whether a group registration is available and who is liable.
  7. 7State your answer clearly with dates and amounts. Give a short reason for each conclusion.

Quickest way: Date, then consequence

When to use it: Use it for Section A and OT case questions where you have a minute or two per question.

  1. Write down the month the limit was exceeded, or the day the 30-day expectation arose.
  2. Historic: add one month and take the 1st of the next month for the effective date; notification is 30 days after month-end. Future: the effective date is the start of the period.
  3. For input tax, set the cut-off dates: 4 years back for goods, 6 months back for services. Anything before the cut-off is lost.
  4. For a penalty, count months late, pick 5%, 10% or 15%, then multiply by net VAT due.

Common mistakes in Registration Consequences, Penalties and Special Cases

  • Using the end of the month as the effective date under the historic test.

    Students confuse the notification deadline with the registration date.

    Fix: Effective date is the 1st day of the second month after the month the limit was exceeded. The deadline is 30 days after the end of that month.

  • Starting the future test 30-day period at the end of the period.

    The notification deadline is at the end of the period, which is easy to mix up with the effective date.

    Fix: Registration is effective from the start of the 30-day period. You notify by its end.

  • Recovering pre-registration input tax on all items bought before registration.

    Students forget the time limits and the 'still held' condition for goods.

    Fix: Goods: within 4 years and still held. Services: within 6 months. Check each item against its cut-off date.

  • Calculating the penalty on turnover or on output VAT only.

    The base for the penalty is not stated plainly in many questions.

    Fix: Use the VAT due, meaning output VAT less input VAT, for the period of late registration. Apply the minimum of £50.

  • Applying the £90,000 threshold to a non-UK business.

    Students assume the limit applies to every trader.

    Fix: A business established outside the UK making taxable UK supplies has no threshold. It must register from its first taxable supply.

  • Treating group members as separate for supplies between them.

    Students forget that a group is one registration.

    Fix: Supplies between group members are ignored for VAT. Remember the joint and several liability.

Worked examples

Example 1

Priya trades as a sole trader. Her taxable turnover for the 12 months ended 31 July 2026 first exceeded £90,000, at £91,500. She told HMRC on 15 January 2027. Net VAT due from the date she should have been registered to the date of notification was £12,000. State the notification deadline, the effective date and the penalty. Assume it is a late notification.

Show the solution
  1. Historic test: the limit was exceeded at the end of July 2026.
  2. Notification deadline: within 30 days of the end of July, so by 30 August 2026.
  3. Effective date: 1st day of the second month after July, which is 1 September 2026.
  4. She notified on 15 January 2027, which is about 4.5 months after the deadline. That is under 9 months, so the rate is 5%.
  5. Penalty: 5% × £12,000 = £600, which is above the £50 minimum.

Answer: Deadline 30 August 2026; effective date 1 September 2026; penalty £600.

Example 2

Tom starts a business and on 12 March 2027 signs a contract. He expects taxable supplies of £95,000 in the next 30 days alone. Before this he paid VAT on: a computer bought 1 December 2024 and still held (VAT £400); a printer bought 1 November 2022 and still held (VAT £60); consultancy services supplied 20 October 2026 (VAT £250); accounting services supplied 5 August 2026 (VAT £100). Find the notification deadline, the effective date and the recoverable pre-registration input tax.

Show the solution
  1. Future test: expected taxable supplies exceed £90,000 in the next 30 days alone.
  2. The 30-day period starts 12 March 2027 and ends 10 April 2027. Tom must notify by 10 April 2027.
  3. Effective date is the start of the period: 12 March 2027.
  4. Goods cut-off is 4 years before, 12 March 2023. The computer (December 2024) is within it and is recoverable: £400. The printer (November 2022) is before it and is not recoverable.
  5. Services cut-off is 6 months before, 12 September 2026. Consultancy (20 October 2026) is within it: £250. Accounting (5 August 2026) is outside: not recoverable.
  6. Total recoverable: £400 + £250 = £650.

Answer: Notify by 10 April 2027; effective date 12 March 2027; recoverable pre-registration input tax £650.

Exam tips

  • Write the dates in full and show how you got them. Marks go to each date, deadline and effective date separately.
  • In OT questions, do not guess the penalty rate. Count the months late first, then match to 5%, 10% or 15%.
  • For pre-registration input tax, list each item with its cut-off date and a yes or no. One column of ticks is quicker than prose.
  • In scenario questions, check whether the business is a group of companies, a single entity with divisions, or non-UK. Each has different registration rules.
  • If a written answer asks for advice on a group registration, give both the benefit (one return, ignored internal supplies) and the risk (joint and several liability).

Practice questions from The VAT registration requirements

Registration Consequences, Penalties and Special Cases in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Registration Consequences, Penalties and Special Cases: frequently asked questions

What is the penalty for late VAT registration in the UK?

For ACCA TX, it is a percentage of the VAT due from the date you should have registered to the date you notify. The rate is 5% if up to 9 months late, 10% if over 9 and up to 18 months, and 15% if over 18 months. The minimum penalty is £50.

When is the effective date of VAT registration?

Under the historic test, it is the 1st day of the second month after the month in which taxable turnover exceeded £90,000. Under the future test, it is the start of the 30-day period in which you expected to exceed £90,000. HMRC may also agree an earlier date.

Can I recover VAT on costs incurred before I registered?

Yes, in part. You can recover VAT on goods bought within 4 years before registration that you still hold, and on services supplied within 6 months before registration. The cost must relate to your business.

Do overseas businesses need to register if turnover is below £90,000?

A business established outside the UK that makes taxable supplies in the UK has no registration threshold. It must register from its first taxable supply.

How does VAT group registration work?

Companies under common control can register as a single VAT group. One representative member submits the return, and supplies between members are ignored. All members are jointly and severally liable for the VAT.