| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ALGERIA | Accession | 19/10/1962 | |
| Anguilla | Decision Resvd. | 30/09/1944 | |
| BELGIUM | Signature | 24/10/1936 | |
| BELGIUM | Ratification | 03/08/1949 | |
| Bermuda | Decision Resvd. | 30/09/1944 | |
| BOSNIA AND HERZEGOVINA | Accession | 02/06/1993 | |
| British Virgin Islands | Decision Resvd. | 30/09/1944 | |
| BULGARIA | Signature | 24/10/1936 | |
| BULGARIA | Ratification | 29/12/1949 | |
| CROATIA | Accession | 08/10/1991 | 08/10/1991 |
| DJIBOUTI | Accession | 03/08/1978 | |
| EGYPT | Accession | 04/08/1982 | |
| Falkland Islands | Decision Resvd. | 30/09/1944 | |
| FRANCE | Signature | 24/10/1936 | |
| FRANCE | Ratification | 09/12/1948 | |
| FRANCE | Declaration | 27/11/1974 | |
| GERMANY FEDERAL REPUBLIC | Signature | 24/10/1936 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 12/12/1956 | |
| Gibraltar | Decision Resvd. | 30/09/1944 | |
| Guernsey | Extension | 30/09/1944 | |
| Hong Kong | Decision Resvd. | 30/09/1944 | |
| Isle of Man | Extension | 30/09/1944 | |
| Jersey | Extension | 30/09/1944 | |
| LUXEMBOURG | Accession | 15/02/1991 | |
| Malta | Extension | 29/12/1958 | |
| MEXICO | Accession | 01/02/1984 | |
| Montserrat | Decision Resvd. | 30/09/1944 | |
| NORWAY | Accession | 06/06/1966 | |
| PANAMA | Accession | 04/06/1971 | |
| PERU | Accession | 04/04/1962 | |
| SLOVENIA | Accession | 09/06/1992 | |
| SPAIN | Denunciation | 01/01/1905 | |
| SPAIN | Accession | 30/11/1971 | |
| UNITED KINGDOM | Signature | 24/10/1936 | |
| UNITED KINGDOM | Ratification | 30/09/1944 | |
| UNITED KINGDOM | Declaration | 30/09/1944 | |
| UNITED KINGDOM | Declaration | 29/12/1958 | |
| YUGOSLAVIA | Signature | 24/10/1936 | |
| YUGOSLAVIA | Ratification | 13/10/1958 | |
| YUGOSLAVIA, FEDERAL REPUBLIC OF | Ratification | 24/11/2000 | 24/11/2000 |