Understanding Self Assessment and your tax return

How to appeal a Self Assessment late filing penalty (video)

You may face paying a penalty if you don't submit your Self Assessment tax return on time. You may also face a penalty if you don't pay the tax you owe to HM Revenue & Customs (HMRC) by the appropriate deadline.

View this short HMRC video explaining the penalties that can be applied in the Self Assessment system and how you can appeal against a Self Assessment late filing penalty: