What is bad debt relief for VAT?
Answered 17 March 2026
Here is a comprehensive explanation of VAT bad debt relief in the UK.
What the law says
The statutory basis is VATA 1994, section 36. It provides that where:
- (a) a person has supplied goods or services and has accounted for and paid VAT on the supply,
- (b) the whole or any part of the consideration has been written off in his accounts as a bad debt, and
- (c) a period of 6 months (beginning with the date of the supply) has elapsed,
...the person is entitled, on making a claim to HMRC, to a refund of the amount of VAT chargeable by reference to the outstanding amount.
The "outstanding amount" is the consideration written off, less any part of it already received at the time of the claim.
A further condition is that the value of the supply must be equal to or less than its open market value.
Regulations may require claims to be made in a specified form, evidenced by records, and may require repayment of a refund if the debt is subsequently recovered. Regulations may also deal with special cases such as mutual debts and part-payments. The governing regulations are Parts XIX, XIXA and XIXB of the VAT Regulations 1995.
The mirror obligation on the customer is found in VATA 1994, section 26A: where a customer has claimed input tax credit but the consideration remains unpaid 6 months after the relevant date (the date of supply or, if later, the date the sum became payable), the customer is treated as never having been entitled to that input tax credit and must repay it.
HMRC guidance / practice
The governing notice is VAT Notice 700/18 (Relief from VAT on bad debts).
How to claim: Claims for bad debt relief should be made on the VAT return for the accounting period in which the entitlement arises, included in the input tax claim box.
Records you must keep include:
- A copy of the VAT invoices for the relevant supplies
- A separate bad debt account showing: the amount written off, the VAT claimed, the VAT period of the claim, the total VAT charged, the VAT period when VAT was originally accounted for, payments received, the customer's name, and invoice details
Mutual debts: Where you also owe money to the debtor, the debt is reduced by the amount you owe before calculating the VAT fraction. For example, on a supply of £720 (£600 + £120 VAT) where you owe the debtor £115, the claimable relief is: (£720 − £115) × 1/6 = £100.83.
Margin Schemes: Bad debt relief is capped at the VAT fraction of the profit margin (not the full selling price), since that is the maximum VAT paid to HMRC. If the debt is less than the margin, relief is the VAT fraction of the debt; if the debt exceeds the margin, relief is limited to the VAT fraction of the margin.
Cash Accounting Scheme: Users of the Cash Accounting Scheme do not need to claim bad debt relief while in the scheme (since VAT is only accounted for on receipt). If they leave the scheme, they may then claim bad debt relief on unpaid supplies, subject to the standard conditions.
Time limit: There is an overall time limit of 4 years and 6 months within which a claim must be made.
Recovery of relief: If payment is subsequently received after bad debt relief has been claimed, the supplier must repay a proportionate amount of the relief to HMRC.
Summary
In short, VAT bad debt relief allows a VAT-registered supplier who has paid VAT to HMRC on a supply but has not been paid by their customer to reclaim that VAT once the debt is 6 months old and has been written off. The customer correspondingly loses their input tax credit on the unpaid amount.
Citation sources
its open market value, . . . b . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Regulations under this section may— a require a claim to be made at such time and in such form and manner as may be specified by or under the regulations; b require a claim to be evidenced and quantified by reference to such records and other documents as may be so specified; c require the claimant to keep, for such period and in such
One advantage of the Cash Accounting Scheme is that you do not have to account for VAT on bad debts. However, if you stop using cash accounting, you have to account for VAT on supplies you’ve made and received, even if they have not been paid for (read paragraph 6.4). If you’ve not received any payment, then you may be able to claim relief for your bad debts which meet the conditions of the Bad Debt Relief Scheme. The key conditions are: that it’s 6 months from the date on which the debt became
Part I The charge to tax Payment of VAT by taxable persons Disallowance of input tax where consideration not paid 26A 1 Where— a a person has become entitled to credit for any input tax, and b the consideration for the supply to which that input tax relates, or any part of it, is unpaid at the end of the period of 6 months following the relevant date, he shall be taken, as from the end of that period, not to have been entitled to credit for input tax in respect of the VAT that is referable to th
Suppose you sold goods for £100 (plus VAT) for which you received no payment by the relevant date and claimed bad debt relief (assuming the usual conditions were met). If you subsequently received £75 from your customer for the goods, you must repay to HMRC the VAT element of that payment. You calculate the amount of the repayment as follows: Amount of claim × payment received ÷ consideration outstanding when claim made (a) If the supply was standard-rated this would result in the following calc
From 1 May 1997 (subject to the overall 4 years and 6 months time limit) bad debt relief can be claimed on supplies made under margin schemes, subject to a maximum of the VAT on the margin. If the debt is equal to or less than the profit margin, bad debt relief may be claimed on the VAT fraction of the debt. If the debt is greater than the profit margin, bad debt relief is limited to the VAT fraction of the profit margin since this is the amount of VAT that will have been paid to HMRC. Paragraph
Claims for bad debt relief should be made on the VAT return for the accounting period in which the entitlement to make a claim arises. The amount claimed should be included in the input tax claim box. If a business is operating the annual accounting scheme, it is possible to account for VAT on the supply made and claim bad debt relief on the same return, if all the conditions for relief are met by the end of the accounting period. Claim bad debt relief after deregistration.
The law that governs the claiming of bad debt relief is: The VAT Act 1994, Section 36, and Section 26A which covers the repayment of input tax when a customer fails to pay for supplies received within 6 months of the relevant date The VAT Regulations 1995, Parts XIX, XIXA and XIXB
When you can claim a refund you must keep: a copy of the VAT invoices for the supplies on which you’re claiming a refund (if you did not issue a VAT invoice you must have a document showing the equivalent information) a separate bad debt account showing the: (a) amount you have written off as a bad debt (b) amount of VAT you wish to claim as bad debt relief (c) VAT period in which you have claimed a refund (d) total amount of VAT charged on each supply (e) VAT period in which you originally
This example shows you how to work out bad debt relief where you owe a sum of money to the debtor, which you’re able to set off against monies the debtor owes you (sometimes called a mutual debt). A bad debt has arisen relating to a supply for which you charged £720.00 (£600.00 + £120.00 VAT). At the time you have written off the debt, you owe the debtor £115.00. Amount of the debt is £720 - £115 = £605.00. To work out how much VAT is included in the debt, multiply by the ‘VAT fraction’. So you
Part II Reliefs, exemptions and repayments Reliefs etc. generally available Bad debts. 36 1 Subsection (2) below applies where— a a person has supplied goods or services . . . and has accounted for and paid VAT on the supply, b the whole or any part of the consideration for the supply has been written off in his accounts as a bad debt, and c a period of 6 months (beginning with the date of the supply) has elapsed. 2 Subject to the following provisions of this section and to regulations under it