“Where a person has failed to make any returns required under this Act … [HMRC] may assess the amount of VAT due from him to the best of their judgment and notify it to him.”
“(6) … the amount of the value added tax (if any) for which [Ms Kaur] is … liable for the relevant period … (7) “The relevant period” is … the period beginning on the date with effect from which [Ms Kaur] is required in accordance with that provision to be registered and ending on the date on which HMRC received notification of, or otherwise became fully aware of, [Ms Kaur’s] liability to be registered.”
“In fact, quite clearly on the material which was before the tribunal, the commissioners [ie HMRC] had made substantial investigations in this case. As I have indicated, unless the situation is one where no material is before the commissioners on which they can reasonably base an assessment, the commissioners are not required to make investigations. If they do make investigations then they have got to take into account the material disclosed by those investigations. Obviously, as a matter of good administrative practice, it is desirable that the commissioners should make all reasonable investigations before making an assessment. If they do that it will avoid, in many cases, the necessity of appeals to the tribunal. However to try and say that in a particular case a particular form of investigation should have been carried out, is a contention which, in my view, as a matter of law, … is difficult to establish.”