Signed at Riga, January 14, 1930.

Ratification advised by the Senate of the United States, March
22, 1930 (legislative day of January 6, 1930).

Ratified by the President of the United States, March 29, 1930.
Ratified by Latvia, April 26, 1930.

Ratifications exchanged at Washington, July 10, 1930.

Proclaimed by the President of the United States, July 14, 1930.