Section 19. Guard Mounting.
347. Guard mounting will be formal or informal as the commanding officer may direct. It will be held as prescribed in the drill regulations of the arm of the service to which the guard belongs. If none is prescribed, then as for infantry. In case the guard is composed wholly of mounted organizations, guard mounting may be held mounted.
348. When infantry and mounted troops dismounted are united for guard mounting, all details form as prescribed for infantry.