“… make an assessment in the amount, or the further amount, which ought in his or their opinion to be charged in order to make good to the Crown the loss of tax.”
“…. The practice is to consider these cases into stages: (1) consideration whether the assessment was made according to the “best judgement of the commissioners”; if not, the assessment fails and stage (2) does not arise; (2) if the assessment survives stage (1), consideration whether the amount of the assessment should be reduced by reference to further evidence of further argument available to the Tribunal ………”