“11. The tribunal found that although the appellant was engaged in a trade or profession, he had not shown that this was regular and organised, as the evidence only showed only five pieces of legal work and two car sales in a tax year. Nor did the tribunal consider the businesses to be commercial. Whilst the individual transactions were commercial in character, considered overall the activities lacked commerciality as the transactions were so few the businesses did not appear to be conducted as an effective business”