Self Assessment: reasonable excuse for not filing return online

Use this form if you're an agent and you're unable to file a Self Assessment tax return online for your client.


Self Assessment: reasonable excuse for not filing online

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This form is for agents who’ve had a problem submitting a tax return to HMRC online after the paper deadline on 31 October.

Agents should send this form with the paper tax return to avoid a penalty.

Email HMRC to ask for this form in Welsh (Cymraeg).

Published 3 October 2008