If you meet HMRC’s Self Assessment criteria for a particular tax year, HMRC will expect you to file a Self Assessment tax return for that year. However, whether or not you fall within these criteria, if HMRC ask you to file a Self Assessment tax return, then you must do so unless HMRC cancel the ...

Registering for Self Assessment refers to the process by which you tell HMRC that you need to send a Self Assessment tax return, if you do not already do so. Once you have registered, HMRC issue you with a unique taxpayer reference (UTR), and send you a formal notice to file a tax return for a ...

To avoid being charged a late filing penalty, make sure you understand when your Self Assessment tax return should be filed.

You must keep records to support the information you report to HMRC on your Self Assessment tax return or through Making Tax Digital for income tax. Here we look at what you need to keep, and for how long.

If you receive employment income or pension income (other than the state pension), your employer or pension provider takes tax off your income throughout the tax year via Pay As You Earn (PAYE). In most cases, this means you pay the correct tax by the end of the year; but not always. You should ...

If HMRC calculate that you have not paid enough tax but you think that the underpayment arises because your employer or pension provider failed to operate Pay As You Earn (PAYE) correctly, you can challenge HMRC. You can request that HMRC check whether they should be asking your employer or pension ...