| Country | Action | Action Date | Effective Date |
|---|
| Burma | Extension | 01/04/1937 | |
| CAMBODIA | Application | 03/10/1951 | 03/10/1951 |
| FIJI | Succession | 01/11/1971 | |
| FRANCE | Signature | 27/11/1931 | |
| FRANCE | Ratification | 10/05/1933 | |
| India | Signature | 27/11/1931 | |
| India | Declaration | 27/11/1931 | |
| India | Ratification | 04/12/1935 | |
| JAPAN | Signature | 27/11/1931 | |
| JAPAN | Ratification | 22/01/1937 | |
| LAOS | Application | 07/10/1950 | 07/10/1950 |
| NETHERLANDS THE | Signature | 27/11/1931 | |
| NETHERLANDS THE | Ratification | 22/05/1933 | |
| PORTUGAL | Signature | 27/11/1931 | |
| PORTUGAL | Ratification | 27/01/1934 | |
| SIAM | Signature | 27/11/1931 | |
| SIAM | Reservation | 27/11/1931 | |
| SIAM | Ratification | 19/11/1934 | |
| UNITED KINGDOM | Signature | 27/11/1931 | |
| UNITED KINGDOM | Ratification | 03/04/1933 | |
| UNITED KINGDOM | Declaration | 03/04/1933 | |
| VIETNAM | Application | 11/08/1950 | 11/08/1950 |