(1)Where a charge has been dealt with summarily, otherwise than by the dismissal thereof, the authority hereinafter mentioned may at any time review the finding or award.
(2)The said authority is—
(a)the Air Council, or
(b)any air-force, naval or military officer superior in command to the officer who dealt summarily with the charge, or
(c)any other officer being—
(i)an air officer appointed by the Air Council to act for the purposes of this section in any particular case, or
(ii)an air officer, or air officer of a class, so appointed for any class of cases.
(3)Where on a review under this section it appears to the said authority expedient so to do by reason of any mistake of law in the proceedings on the summary dealing with the charge or of anything occurring in those proceedings which in the opinion of the authority involved substantial injustice to the accused, the authority may quash the finding ; and if the finding is quashed the authority shall also quash the award.
(4)Where on a review under this section it appears to the said authority that a punishment awarded was invalid, or too severe, or (where the award included two or more punishments) that those punishments or some of them could not validly have been awarded in combination or are, taken together, too severe, the authority may vary the award by substituting such punishment or punishments as the authority may think proper, being a punishment or punishments which could have been included in the original award and not being in the opinion of the authority more severe than the punishment or punishments included in the original award.