The Iveco case concerns £73m of adjustments, but the taxpayer did not advise HMRC until more than 20 years after the period in question. The original FTT decision is at  UKFTT 763 (TC03141), and this is the latest instalment, at the Court of Appeal: http://www.bailii.org/ew/cases/EWCA/Civ/2017/1982.html
About Les Howard
Hi, I am a VAT Consultant, working mainly with charities. I am based in Cambridgeshire
I have over 20 years experience in VAT, and am currently also a part-time member of the Tax Tribunals.