ARTG4070 | Review of direct and indirect taxes decisions: Introduction: Scope and limitations of the review
From HM Revenue & Customs · Appeals reviews and tribunals guidance
The nature and extent of the review is to be determined by the review officer. It must be proportionate and will vary according to
the complexity of the case
the steps taken to reach the decision, for example if specialist advice has already been obtained
the steps taken so far to resolve disagreement about the decision.