Foreword to the Writings of George Washington.
02/14/1931
https://www.presidency.ucsb.edu...
That the validity of a passport . . . shall be limited to a period of two years.
The Secretary of State may grant and issue passports, and cause passports to be granted, issued, and verified in foreign...
All bombing planes to be abolished.
Passports may be amended in the United States by the Department of State or any of the passport agents of the Department...