| Country | Action | Action Date | Effective Date |
|---|
| BELGIUM | Signature | 08/11/1933 | |
| BELGIUM | Ratification | 29/07/1935 | |
| BELGIUM | Reservation | 29/07/1935 | |
| EGYPT | Signature | 21/02/1935 | |
| FRANCE | Signature | 08/11/1933 | |
| India | Extension | 09/05/1939 | |
| ITALY | Signature | 08/11/1933 | |
| ITALY | Ratification | 27/06/1939 | |
| PORTUGAL | Signature | 08/11/1933 | |
| PORTUGAL | Ratification | 13/07/1950 | |
| SOUTH AFRICA | Signature | 08/11/1933 | |
| SOUTH AFRICA | Ratification | 19/11/1935 | |
| SOUTH AFRICA | Reservation | 19/11/1935 | |
| SPAIN | Signature | 08/11/1933 | |
| SUDAN | Signature | 08/11/1933 | |
| SUDAN | Ratification | 14/10/1935 | |
| SUDAN | Reservation | 14/10/1935 | |
| TANZANIA | Accession | 03/12/1962 | 03/03/1963 |
| UNITED KINGDOM | Signature | 08/11/1933 | |
| UNITED KINGDOM | Ratification | 09/04/1935 | |
| UNITED KINGDOM | Ratification | 19/11/1935 | |
| UNITED KINGDOM | Reservation | 19/11/1935 | |
| UNITED KINGDOM | Declaration | 09/05/1939 | |