 The 1916 Act also authorized the National Guard to use federal funds to pay for 48 days of drill a year, as well as 15 days of annual training, an improvement over the previous authorization of five days of summer camp, with no federal funds for drills.The new law also made the Army's Division of Militia Affairs the expanded and reorganized Militia Bureau, which oversaw federal funding and other requirements for the National Guard in each state.The 1916 Act also authorized the President to mobilize the National Guard in case of war or other national emergency, and for the duration of the event.