HMRC has apologised that a number of incorrect 2013–14 income tax calculations (P800) and payable orders were issued to taxpayers in a three-week period from 15 September 2014 say Harris & Co accountants Northampton #accountantsnorthampton
HMRC say they are urgently investigating the matter to resolve it.
In the meantime, those who think their 2013–14 P800 may be wrong should contact HMRC helplines for further advice before making repayments or cashing cheques.