| Act(s) | Article(s) | Signature | Instrument | Entry into Force |
|---|---|---|---|---|
| London Act (1934) | June 2, 1934 | |||
| The Hague Act (1925) | November 6, 1925 | Accession : September 6, 1929 | October 26, 1929 | |
| Washington Act (1911) | June 2, 1911 | Accession : November 17, 1914 | December 17, 1914 |