"(2) Any person who is - (a) a person whose liability to pay any relevant duty or penalty is determined by, results from or is or will be affected by any decision to which this section applies, (b) a person in relation to whom, on his application, such a decisions has been made, or (c) a person on or to whom the conditions, limitations, restrictions, prohibitions or other requirements to which such a decision relates are or are to be imposed or applied, may by notice in writing to the Commissioners require them to review that decision." 17.Section 15(1) Finance Act 1995 provides that: "
"(4) In relation to any decision as to an ancillary matter, or any decision on the review of such a decision, the powers of an Appeal Tribunal on an appeal under this section shall be confined to a power, where the Tribunal are satisfied that the Commissioners or other person making that decision could not reasonably have arrived at it, to do one or more of the following, that is to say - (a) to direct that the decision, so far as it remains in force, is to cease to have effect from such time as the Tribunal may direct; (b) to require the Commissioners to conduct, in accordance with the directions of the Tribunal, a further review of the original decision; (c) in the case of a decision which has already been acted on or taken effect and cannot be remedied by a further review, to declare the decision to have been unreasonable and to give directions to the Commissioners as to the steps to be taken for securing that repetitions of the unreasonableness do not occur when comparable circumstances arise in future. (5) In relation to other decisions, the powers of an Appeal Tribunal on an appeal under this section shall also include a power to quash or vary any decision and power to substitute their own decision for any decision quashed on appeal. (6) On an appeal under this section the burden of proof as to- (a) the matters mentioned in sub-section (1)(a) and (b) of section 8 above. (b) … .... shall lie upon the Commissioners, but it shall otherwise be for the appellant to show that the grounds on which any such appeal is brought have been established."