| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| IRELAND, REPUBLIC OF | Denunciation | 13/06/1972 | |
| Irish Free State | Signature | 21/06/1929 | |
| Irish Free State | Ratification | 05/07/1930 | |
| LUXEMBOURG | Signature | 21/06/1929 | |
| LUXEMBOURG | Ratification | 01/04/1931 | |
| LUXEMBOURG | Denunciation | 09/02/1988 | 09/02/1989 |
| NICARAGUA | Signature | 21/06/1929 | |
| NICARAGUA | Ratification | 12/04/1934 | |
| SPAIN | Signature | 21/06/1929 | |
| SPAIN | Ratification | 29/08/1932 | |
| SPAIN | Denunciation | 28/07/1934 | |
| UNITED KINGDOM |