Under MTD for Income Tax you must keep digital records, send HMRC a cumulative quarterly update each quarter using compatible software, and submit a final declaration after the tax year. Q1 deadline: 7 August. Q2: 7 November. Q3: 7 February. Q4: 7 May. Each update reports cumulative year-to-date figures (post-Budget 2025 simplification). The annual Self Assessment return is replaced by this quarterly cycle plus the final declaration. Tax payment dates do not change. **Read the full guide at [rraccountants.uk/mtd-quarterly-submissions](https://rraccountants.uk/mtd-quarterly-submissions).**
Making Tax Digital for Income Tax
MTD quarterly submissions: deadlines, what to submit, and how
Under MTD-IT you keep digital records and submit four cumulative quarterly updates per year, replacing the annual Self Assessment return. Deadlines: 7 Aug / 7 Nov / 7 Feb / 7 May.
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