The tax year 2018/19 ended on 5 April 2019 and the tax year 2019/20 then moved in to take its place. But we can’t yet quite consign 2018/19 tax matters to history, or at least not everyone can. Some people will need to do a Self-Assessment tax return for 2018/19, but as we covered typical Self-Assessment circumstances in an article a few months ago we won’t repeat it here. However, even though the majority of taxpayers do not need to do a tax return this doesn’t mean that 2018/19 is finished.
HMRC spends about two months collating income and tax data following the end of the tax year. This will include all the information they receive from employers and pension administrators about incomes paid and tax deducted at source via the PAYE system. HMRC will then begin a process called “reconciliation” where they calculate if you’ve paid the right tax. For most people it works out fine and they don’t hear anything from HMRC. However, if there appears to be a discrepancy, HMRC will send you a calculation with either a refund or a request that you make a payment.
If you get one of these calculations from HMRC (known as a “P800 calculation”, after the serial number of the form it is on) you first need to check it. But how do you do that? Below is a list of the documents which would usually enable you to check a P800 calculation.
This is not all the documents that may be needed to check the tax calculation, but it should enable most people to check their calculation.
To check the P800 tax calculation you will need to check if the income on the documents listed above agree with the amounts on the tax calculation. You also need to make sure that you are happy that HMRC have given you all the allowances you are entitled to. Finally, sometimes the calculation will include other adjustments. If it does, there should be a note that accompanies the calculation to explain why there is an adjustment.
If you are happy that the figures are correct, then there is no need to contact HMRC, unless to arrange for payment of the liability or provide bank details to get the refund.
It is possible that HMRC may issue another form called a ‘Simple Assessment’. What this form is and how it can be checked will be the subject of a later article.
Posted in: Tax Tips