Contracting Party | Signature | Instrument | In Force | Details |
Brazil | June 2, 1911 | Accession: November 17, 1914 | December 17, 1914 | |
Cuba | June 2, 1911 | Accession: November 22, 1921 | January 3, 1922 | |
France | June 2, 1911 | Ratification: April 1, 1913 | May 1, 1913 | |
Germany | | Accession: April 29, 1925 | June 12, 1925 | |
Ireland | | Accession: October 27, 1927 | December 4, 1925 | |
Lebanon | | Accession: June 18, 1924 | September 1, 1924 | - Accession to the Washington Act (1911) through France.
|
Morocco | | Accession: June 13, 1917 | July 30, 1917 | |
New Zealand | | Accession: May 20, 1913 | June 20, 1913 | - Accession to the Washington Act (1911) through the United Kingdom.
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Portugal | June 2, 1911 | Ratification: April 1, 1913 | May 1, 1913 | |
Spain | June 2, 1911 | Ratification: April 1, 1913 | May 1, 1913 | |
Switzerland | June 2, 1911 | Ratification: April 1, 1913 | May 1, 1913 | |
Syrian Arab Republic | | Accession: June 18, 1924 | September 1, 1924 | - Accession to the Washington Act (1911) through France.
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Tunisia | June 2, 1911 | Ratification: April 1, 1913 | May 1, 1913 | |
United Kingdom | June 2, 1911 | Ratification: April 1, 1913 | May 1, 1913 | |