02/02/1916
https://www.presidency.ucsb.edu...
"I am willing, however, upon assurances of the moral and diplomatic support of the principal Powers and in a spirit of sympathetic response to the request of the Council of the League of Nations to use..."
"Therefore I, Woodrow Wilson, President of the United States, do hereby direct and prescribe that an Official Flag, indicative of the office of Secretary of State, be prepared as follows:"
"And I further direct that on the approaching ceremonial visit of the Secretary of State to certain States of South America, the above prescribed flag shall be displayed on the national vessel which co..."
"Whereas it frequently devolves upon the Secretary of State in virtue of the statutory authority conferred upon him to perform public acts of foreign intercourse under direction of the President;"