(c) for conferring a right to appeal to the Minister from any decision of the Board with respect to any air service licence or any application for such a licence upon the holder of or applicant for the licence and upon such other persons, if any, as may be specified in the regulations, and generally as to such appeals, including in particular provision as to the time by which any such appeal must be made, the other persons, if any, to be made parties thereto, and the liability of any of the parties in respect of costs or expenses incurred in connection therewith;