Decision in appeal by the Appellate Joint Commissioner [or the Commission (Appeals)]
156. (1) In disposing of an appeal, the Appellate Joint Commissioner [or the Commissioner (Appeals)] may-
(a) in the case of an order of assessment, confirm, reduce, enhance, set aside or annual the assessment;
(b) in the case of an order imposing a penalty, confirm, set aside or cancel such order or vary it so as either to enhance or to reduce the penalty; and
(c) in any other case, pass such order as he thinks fit [:
Provided that an order of assessment or penalty shall not be set aside except in a case where the Appellate Joint Commissioner or the Commissioner (Appeals) is satisfied that a notice on the assessee has not been served in accordance with the provisions of section 178.]
(2) The Appellate Joint Commissioner [or the Commissioner (Appeals)] shall not enhance as assessment or a penalty or reduce the amount of refund unless the appellant has been given a reasonable opportunity of showing cause against such enhancement or reduction.
(3) The order of the Appellate Joint Commissioner [or the Commissioner (Appeals)] disposing of an appeal shall be in writing and shall state the points for determination, the decision thereon and the reasons for the decision.
(4) Where, as a result of an appeal, any charge is made in the assessment of a firm or an association of persons, the Appellate Joint Commissioner [or the Commissioner (Appeals)] may direct the Deputy Commissioner of Taxes to amend accordingly any assessment made on any partner of the firm or any member of the association.
(5) On the disposal of an appeal, the Appellate Joint Commissioner [or the Commissioner (Appeals)] shall communicate the order passed by him to the appellant, the Deputy Commissioner of Taxes and the Commissioner [within [thirty days] of the passing of such order].
(6) Notwithstanding anything contained in this Ordinance, an appeal to the Appellate Joint Commissioner [or the Commissioner (Appeals)] shall be deemed to have been allowed if the Appellate Joint Commissioner [or the Commissioner (Appeals)] fails to make an order thereon within [one hundred and fifty days from the end of the month] on which the appeal was filed.