John Smith v The Commissioners for HMRC
Decision date: 6 May 2026
Neutral citation: [2026] UKFTT 663 (TC)
Overall AI summary confidence: high
Short overview
This short overview is intended to summarise the case, issues and outcome so far as they are supported by the judgment.
AI confidence in this short overview: high
This appeal concerned HMRC discovery (income tax) and best-judgment (VAT) assessments plus related penalties for periods 1994/95–2014/15. The tribunal found Officer Harris’ discovery assessments and HMRC’s best-judgment VAT assessments were valid and timely (or within extended time limits because the appellant’s conduct was deliberate), held that the appellant continued to run and beneficially own the business after 1 March 2003 (making him liable for tax/VAT where applicable), allowed the appeal only against penalties for failure-to-file where HMRC failed to prove service of notices, and dismissed the remaining appeals including those against fraud/penalty assessments. Quantified adjustments to turnover and expenses were made and the final figures were to be directed separately.
Ratio decidendi
This summary is intended to identify the ratio decidendi, meaning the legal reasons for deciding and the binding part of the decision.
AI confidence in this ratio decidendi summary: medium
The tribunal applied a two-part test for a valid discovery assessment: the officer must honestly believe information points to a tax insufficiency and that belief must be one a reasonable officer could form (subjective belief plus a low‑threshold objective reasonableness). For VAT, a best‑judgment assessment is lawful where HMRC fairly considers the material before it and makes an honest, reasoned estimate from the available evidence. The tribunal also held that deliberate/dishonest taxpayer conduct can trigger extended time limits and justify assessments covering longer periods.
Obiter dicta
This summary is intended to identify obiter dicta, meaning observations made by the way that were not necessary to deciding the case and are not binding.
AI confidence in this obiter dicta summary: medium
The tribunal observed (non‑bindingly) that absence of a digital footprint for purported purchaser entities does not prove non‑existence and that contemporary documentary evidence generally warrants greater weight than late recollections; witness statements not tested in cross‑examination may be given limited weight.