This week's edition of Tax weekly highlights includes: (1) News Analyses of the FTT decisions in The Nigel Blackwell Family Trust & Ors v HMRC concerning whether expert evidence was necessary to determine whether a loan and security agreement constituted a ‘security’ for tax purposes; and in John Smith v HMRC concerning whether the taxpayer had a valid claim for multiple dwellings relief, (2) News Analysis of the UT decision in John Smith v HMRC in which the UT held that the grounds of appeal were totally without merit, (3) the UT decision in Strauss Phillips refusing permission to appeal against a wasted costs order; (4) News Analysis on the draft securities and transfer tax legislation, published on 13 July 2026 and (5) a position statement on the judicial use of artificial intelligence, published by the Courts and Tribunals Judiciary.