Making Tax Digital for Income Tax is being phased in. This works out whether it applies to you, from when, how many updates you must file — and puts the exact dates in your calendar.
Free. Runs entirely in your browser — nothing is uploaded, nothing is stored. Rules current as at 20 August 2026.
A late quarterly update in 2026–27 carries no penalty — but the waiver does not cover your 2026–27 tax return (due 31 January 2028), and it does not remove the obligation to file. HMRC begins signing up non-registered taxpayers from September 2026.
The catch-up, step by step — and what your next update must actually cover