Bar to certain proceedings.

Save as provided in section 79, no assessment made and no order passed under this Act or rules made thereunder by any authority appointed under section 10 or by the Bureau of Investigation or by the Tribunal shall be called in question in any court, and save as is provided in section 72 or section 73 or section 74 or section 76, no appeal or application for revision or review shall lie against any such assessment or order.