| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| AFGHANISTAN | Accession | 25/05/1937 | |
| ALBANIA | Accession | 03/03/1937 | |
| Antilles | Extension | 01/01/1986 | 01/01/1986 |
| Aruba | Extension | 01/01/1986 | 01/01/1986 |
| AUSTRALIA | Signature | 06/11/1936 | |
| AUSTRIA | Accession | 01/04/1937 | |
| BELGIUM | Accession | 23/12/1936 | |
| BRAZIL | Accession | 31/12/1937 | |
| BULGARIA | Accession | 01/03/1937 | |
| CANADA | Signature | 06/11/1936 | |
| Caribbean part of the Netherlands | Extension | 10/10/2010 | |
| COSTA RICA | Accession | 07/07/1937 | |
| Curacao | Extension | 10/10/2010 | |
| CZECHOSLOVAKIA | Accession | 14/09/1937 | |
| DENMARK | Accession | 21/04/1937 | |
| EGYPT | Accession | 23/06/1937 | |
| ESTONIA | Signature | 26/06/1937 | |
| FIJI | Succession | 26/01/1973 | |
| FINLAND | Accession | 18/02/1937 | |
| FRANCE | Signature | 06/11/1936 | |
| GERMANY | Accession | 23/11/1936 | |
| GREECE | Accession | 11/01/1937 | |
| GUATEMALA | Accession | 08/09/1938 | |
| HAYTI | Accession | 23/01/1937 | |
| HOLY SEE | Accession | 16/03/1937 | |
| HUNGARY | Accession | 08/12/1937 | |
| India | Signature | 06/11/1936 | |
| IRAN | Accession | 21/01/1939 | |
| IRAQ | Accession | 03/02/1938 | 27/12/1937 |
| Irish Free State | Signature | 06/11/1936 | |
| ITALY | Signature | 06/11/1936 | |
| JAPAN | Signature | 06/11/1936 | |
| LATVIA | Accession | 07/03/1938 | |
| LITHUANIA | Accession | 27/01/1938 | |
| MEXICO | Accession | 03/01/1938 | |
| NEPAL | Accession | 27/01/1937 | |
| NETHERLANDS THE | Accession | 30/09/1937 | |
| NETHERLANDS THE | Declaration | 01/01/1986 | |
| NEW ZEALAND | Signature | 06/11/1936 | |
| NORWAY | Accession | 21/05/1937 | |
| PANAMA | Accession | 26/02/1937 | |
| PERU | Accession | 03/06/1937 | |
| POLAND | Accession | 05/07/1937 | 21/07/1937 |
| SALVADOR | Accession | 24/11/1937 | |
| SAUDI ARABIA | Accession | 11/06/1937 | |
| SIAM | Accession | 12/01/1938 | |
| Sint Maarten | Extension | 10/10/2010 | |
| SOUTH AFRICA | Signature | 06/11/1936 | |
| SOVIET UNION | Accession | 16/02/1937 | 27/12/1936 |
| SWEDEN | Accession | 15/02/1937 | |
| SWITZERLAND | Accession | 22/05/1937 | |
| TONGA | Succession | 22/06/1971 | |
| TURKEY | Accession | 07/07/1937 | |
| UNITED KINGDOM | Signature | 06/11/1936 | |
| UNITED STATES OF AMERICA | Signature | 06/11/1936 | |
| YUGOSLAVIA | Accession | 19/04/1937 |