Declarations of war, the mobilisation of troops, and the organisation of the forces all fall within the Royal Prerogative; direct parliamentary approval is not necessary for such, though the Cabinet may seek it nonetheless and the Crown-in-Parliament is responsible for allocating moneys necessary to fund the military. The monarch issues letters patent, known as the "Queen's Commission", to commissioned officers in the Canadian Army, Royal Canadian Navy, and the Royal Canadian Air Force. Further, all regulations for the Canadian Forces are set out by the sovereign in the "Queen's Regulations and Orders". Neither the monarch nor the viceroy, however, involve themselves in direct military command; per constitutional convention, both must almost always exercise the Royal Prerogative on the advice of the Cabinet, although the right to unilaterally use those powers in crisis situations is maintained.