09/11/1919
https://www.presidency.ucsb.edu...
"All foreign-built ships which shall be admitted to United States registry under said Act may retain the watch officers employed thereon, without regard to citizenship, for seven years from this date, ..."
"That the provisions of law prescribing that the watch officers of vessels of the United States registered for foreign trade shall be citizens of the United States, are hereby suspended so far and for ..."
"Any vacancy occurring among such watch officers within two years from this date may be filled without regard to citizenship; but any vacancy which may occur thereafter shall be filled by a watch offic..."
"The effect of the war upon the United States will depend upon what American citizens say and do."