Self Assessment Tax Return - paper return due by 31 October 2024

If you are required to submit a Self Assessment tax return for the 2023/24 tax year, the deadline for the submission of the paper return is 31 October 2024.  If you submit online, you have until 31 January 2025 (more information on filing online is linked here).  If you plan to submit a paper return and haven't received the forms from HMRC, you can download them at the links below:

The main tax return form (note that this captures income from: interest and dividends from UK banks / building societies; UK pensions, annuities and other state benefits; and other UK income not included on the supplementary pages):
SA100 Tax Return (2024)
Guide for completion

Supplementary pages:
You will require extra sections (known as supplementary pages) if you need to tell HMRC about the types of income below:

Employees or company directors:
SA102 supplementary pages
Notes for completion of SA102

Self employment:
SA103S supplementary pages - use if your annual business turnover was below the VAT threshold for the tax year (S denotes short).
Notes for completion of SA103S
SA103F supplementary pages - use if your annual business turnover was above the VAT threshold for the tax year (F denotes full).
Notes for completion of SA103F

Business partnerships:
SA104S supplementary pages - use if your trading income is less than £90,000 (S denotes short).
Notes for completion of SA104S
SA104F supplementary pages - use if your trading income is more than £90,000 or you have complex partnership affairs ( denotes full).
Notes for completion of SA104F

UK property income:
SA105 supplementary pages
Notes for completion of SA105

Foreign income or gains:
SA106 supplementary pages
Notes for completion of SA106

Capital gains:
SA108 supplementary pages
Notes for completion of SA106

Non-UK residents or dual residents:
SA109 supplementary pages
Notes for completion of SA109

Once complete, post the return to:
Self Assessment
HM Revenue & Customs
BX9 1AS
United Kingdom