underpayment Archives | Taxfile https://www.taxfile.co.uk/tag/underpayment/ Tax advice & accounting services for South London businesses & SMEs Sun, 31 Oct 2021 20:07:46 +0000 en-GB hourly 1 Received a ‘P800 tax calculation’ from HRMC in the post? https://www.taxfile.co.uk/2015/08/p800-tax-calculation-from-hrmc/ Wed, 19 Aug 2015 15:53:38 +0000 http://www.taxfile.co.uk/?p=1499 If you have paid either too much or too little tax during the financial year, HMRC will send you a ‘P800 Tax Calculation’ some time between now and October 2015. If you’ve paid too much tax If you’ve paid too much tax then you will receive a cheque for the overpayment within 2 weeks of […]

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