01/30/1916
https://www.presidency.ucsb.edu...
"Under authority of the Joint Resolution of Congress, approved March 17, 1916, an emergency having arisen making necessary an increase in the enlisted strength of the Regular Army within the continenta..."
"The Secretary of the Treasury is hereby authorized to direct customs officers at ports of entry into the United States to take up passports of American citizens returning to this country."
"Passports which are to be used again should be sent to the Department of State, and the owners informed that they should notify the Department of State, at least five days before they expect to leave ..."
"If such a person expects to go abroad for an object not mentioned in his passport, or to visit a country not named therein, he should make application in the usual way for a new passport."