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Self Assessment: additional information (SA101)

Use supplementary pages SA101 to record less common types of income, deductions and tax reliefs on your SA100 Tax Return.

Updates to this page

From:
HM Revenue & Customs
Published:
23 April 2014
Last updated:
6 April 2026
Show all updates

  1. The additional information form and notes have been added for tax year 2025 to 2026. The form and notes for tax year 2021 to 2022 have been removed.

  2. The additional information form and notes have been added for tax year 2024 to 2025. The form and notes for tax year 2020 to 2021 have been removed.

  3. The additional information notes for tax year 2023 to 2024 have been updated.

  4. The additional information form and notes have been added for tax year 2023 to 2024.

  5. The form additional information notes have been added for tax year 2022 to 2023.

  6. The additional information form and notes have been added for tax year 2021 to 2022. The form and notes for 2018 have been removed.

  7. Form and notes added for tax year 2020 to 21.

  8. New versions of the pages and notes have been added for the 2019 to 2020 tax year.

  9. The English and Welsh additional information notes for 2018 to 2019 have been updated.

  10. The Additional information form and notes have been added for tax year 2018 to 2019.

  11. The form and notes have been added for tax year 2017 to 2018.

  12. The form and notes have been added for tax year 2016 to 2017.

  13. Rates, allowances and duties have been updated for the tax year 2016 to 2017.

  14. Updates made to SA101 Notes (2015).

  15. The 2015 to 2016 form has been added to this page.

  16. Added translation

Documents

Additional information (2026)

PDF, 442 KB, 4 pages

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Additional information notes (2026)

PDF, 502 KB, 9 pages

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Additional information (2025)

PDF, 444 KB, 4 pages

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Additional information notes (2025)

PDF, 518 KB, 9 pages

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Additional information (2024)

PDF, 438 KB, 4 pages

This file may not be suitable for users of assistive technology.

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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.

Additional information notes (2024)

PDF, 547 KB, 9 pages

This file may not be suitable for users of assistive technology.

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Additional information (2023)

PDF, 448 KB, 4 pages

This file may not be suitable for users of assistive technology.

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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.

Additional information notes (2023)

PDF, 516 KB, 9 pages

This file may not be suitable for users of assistive technology.

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

Use the SA101 supplementary pages when filing your SA100 Tax Return to record less common types of income, deductions and tax reliefs, and provide information about Income Tax losses, pension charges and tax avoidance schemes.

HS204: Limit on Income Tax reliefs

HS205: Seafarers’ Earnings Deduction

HS211: Employment, residence and domicile issues

HS227: Relief for trading losses

HS237: Community Investment Tax Relief

HS305: Employee shares and securities - further guidance

HS320: Gains on UK Life Insurance Policies

HS325: Other Taxable Income

HS340: Interest and alternative finance payments eligible for relief on qualifying loans and alternative finance arrangements

HS341: Enterprise Investment Scheme - Income Tax relief

HS342: Charitable giving

HS343: Accrued Income Scheme

HS345: Pensions - tax charges on any excess over the Lifetime Allowance, Annual Allowance, Special Annual Allowance and on unauthorised payments

HS393: Seed Enterprise Investment Scheme - Income Tax and Capital Gains Tax reliefs

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