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

Use supplementary pages SA106 to record foreign income and gains on your SA100 Tax Return.

Use supplementary pages SA102 to record employment income on your SA100 Tax Return.

Use supplementary pages SA104S to record a short version of partnership income on your SA100 Tax Return.

Use supplementary pages SA109 to record your residence and domicile status on your SA100 Tax Return.

Use supplementary pages SA103S to record self-employment income on your SA100 tax return if your annual business turnover was below the VAT threshold for the tax year.

Self Assessment tax return forms for the current tax year

Use supplementary pages SA103F to record self-employment income on your SA100 Tax Return if your annual turnover was above the VAT threshold for the tax year.

Use supplementary pages SA104F to record full partnership income on your SA100 tax return.

How to report your income and claim tax reliefs and any repayment due to you using the SA100 tax return, for 6 April 2024 to 5 April 2025.

• Updated: 1 October 2025