“The problems which Mr Gardiner (the taxpayer’s counsel) identifies may or may not exist in practice, and, even if they do, they may not have existed in the 1960s, when, we were told, these provisions were first introduced, and when the shareholdings in large publicly quoted companies may have been very differently held from how they are now. In any event, no such problems seem to have arisen until this case, and the facts of this case are very unusual. If HMRC seek to raise the point in relation to two companies which are, and long have been, independent, then it will be very much up to them to prove that section 286(5)(b) is satisfied. The fact thatsection 50(6) of the Taxes Management Act 1970 places an initial general onus on the taxpayer challenging an assessment does not affect the point that, if HMRC's assessment relies on the fact that two apparently independent companies are "connected" under the terms of section 286(5)(b), then that would be for HMRC to prove.”