“… to review the rationality of HMRC's decision on the principles set out in John Dee Ltd v Customs & Excise Commissioners[1995] STC 265 . Accordingly it is for us to consider whether HMRC have acted in a way in which no reasonable panel of Commissioners could have acted or whether they have taken into account some irrelevant matter or have disregarded something to which they should have given weight. The Tribunal cannot substitute its own decision for that of HMRC, and cannot therefore itself amend the effective date of registration.”
“It is reasonable to assume that the applicant for an effective date of registration, such as IJM [the appellant], knew what she was doing. And where the applicant has left things to professional advisers, her position vis-à-vis HMRC is not changed in someway deserving of preferential treatment from HMRC”