Tax Return (2023) Use form SA100(2023) to file a tax return, report your income and to claim tax rel-2026

1. Click ‘Get Form’ to open it in the editor.
2. Begin by entering your personal details, including your Unique Taxpayer Reference (UTR), National Insurance number (NINO), and employer reference if applicable.
3. Fill in the 'Issue address' box with your full name and address before printing the tax return.
4. Review each section of the form carefully. Ensure you include all sources of income, such as employment, self-employment, and any property income.
5. If applicable, complete supplementary pages for specific types of income or claims. Indicate how many supplementary pages you are using in the designated box.
6. Double-check all entries for accuracy. Sign and date the declaration at box 22 before submitting your completed return.

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