Guidance

Income Tax losses toolkit

Get help if you’re a tax agent or adviser who has clients with Income Tax losses to declare on Self Assessment tax returns.

Documents

Income Tax losses toolkit: 2021 to 2022 Self Assessment Tax Returns

Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email different.format@hmrc.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Income Tax losses toolkit: 2020 to 2021 Self Assessment Tax Returns

Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email different.format@hmrc.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Income Tax losses toolkit: 2019 to 2020 Self Assessment Tax Returns

Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email different.format@hmrc.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Income Tax losses toolkit: 2018 to 2019 Self Assessment Tax Returns

Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email different.format@hmrc.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Income Tax losses toolkit: 2017 to 2018 Self-Assessment Tax Returns

Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email different.format@hmrc.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Income Tax losses toolkit: 2016 to 2017 Self-Assessment Tax Returns

Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email different.format@hmrc.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

Find out about common errors on Income Tax losses in client tax returns.

Updates to this page

Published 1 May 2014
Last updated 13 April 2022 + show all updates
  1. The Agent toolkit for Income Tax losses has been updated for 2021 to 2022.

  2. The Agent toolkit for Income Tax losses has been updated for 2020 to 2021.

  3. The Income Tax losses toolkit: 2019 to 2020 Self Assessment Tax Returns has been added.

  4. Agent toolkit for 'Income Tax losses' updated for 2018 to 2019.

  5. Agent toolkit for 'Income Tax losses' updated for 2017 to 2018.

  6. Agent toolkit for Income Tax losses has been updated for 2016 to 2017.

  7. The Income Tax Losses Toolkit (2015 to 2016) is now available.

  8. Agent toolkit for Income Tax losses updated for 2014 to 2015.

  9. First published.

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