law: 90. Collective fines.-
  (1) Whenever any weapon or part of a weapon forming part of the equipment of a unit or detachment is lost or stolen, the officer commanding such unit or detachment may, after obtaining the report of a Court of inquiry, impose a collective fine upon the warrant officers, non-commissioned 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 on the pay of the individuals on whom it falls.