If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email email@example.com.
Please tell us what format you need. It will help us if you say what assistive technology you use.
This form is for agents who’ve had a problem submitting a tax return to HM Revenue and Customs online after the paper deadline on 31 October.
Agents should send this form with the paper tax return to avoid a penalty.