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A P800 form, also known as a tax calculation, is a letter that HMRC will send you at the end of the tax year if they think that you have not paid the right amount of tax.
If you’ve received a p800, then you’ve either paid one of the two:
It can happen! P800s aren’t always correct.
But luckily, there are options. You’ll have to:
After double (or triple) checking, you may find:
To claim an online tax rebate, you’ll need to:
Once you finish, you should receive the rebate to your bank account in approximately 5 working days.
You can also call HMRC on 0300 200 3300 where an advisor will process your tax refund.
If you don’t do anything, HMRC will automatically send you a cheque through the post within 14-45 days from the date on your P800.
HMRC will either collect the tax you owe through your PAYE tax code or ask you to pay directly.
This will depend on factors such as whether you’re self-employed or employed and how much tax you owe.
Each form includes the previous years, so you only need the one from the final year.
The short answer is yes.
You could still be owed tax from any expenses or tax reliefs that HMRC doesn’t know about.
For example, if you work in construction, you might want to claim the mileage allowance.
In this case, we’d recommend getting in touch with HMRC as soon as possible.
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