(1) Whenever any weapon or part of a weapon, or ammunition, forming part of the equipment of a unit, is lost or stolen, a commanding officer not below the rank of the Commandant of that unit may, after making such enquiry as he thinks fit and subject to the rules, impose a collective fine upon the subordinate officers, under-officers and men of such unit, or upon so many of them as, in his judgment, should be held responsible for such loss or theft.
     (2) Such fine shall be assessed as a percentage of the pay of the individuals on whom it falls.