How to submit your tax return using Making Tax Digital for Income Tax

HMRC has published updated guidance on submitting Self Assessment tax returns using Making Tax Digital (MTD) for Income Tax software. **Key requirements:** - Tax returns must be submitted by 31 January following the end of the relevant tax year - For example, 2025 to 2026 tax returns can be submitted from 6 April 2026 to 31 January 2027 - Late submission results in penalty points **Income sources:** HMRC will automatically add information including employment income, pensions, state benefits, and Construction Industry Scheme deductions. Taxpayers must add savings interest, partnership profits, dividends, and other income sources themselves. **Submission process:** Before submitting, all income sources must be added and checked for accuracy. The software will show a confirmation message once submitted successfully. **Changes after submission:** Tax returns can be amended within 12 months of the submission deadline using compatible software. Changes may affect MTD requirements. Read the full guidance on GOV.UK for complete details on using MTD for Income Tax.