| Country | Action | Action Date | Effective Date |
|---|
| Algeria | Extension | 21/04/1953 | |
| BELGIUM | Signature | 17/04/1950 | |
| BELGIUM | Ratification | 29/05/1953 | |
| Channel Islands | Extension | 01/02/1953 | |
| FRANCE | Signature | 17/04/1950 | |
| FRANCE | Ratification | 21/04/1953 | |
| FRANCE | Declaration | 21/04/1953 | |
| Isle of Man | Extension | 01/02/1953 | |
| LUXEMBOURG | Signature | 17/04/1950 | |
| LUXEMBOURG | Ratification | 12/01/1952 | |
| Metropolitan | Extension | 21/04/1953 | |
| NETHERLANDS THE | Signature | 17/04/1950 | |
| NETHERLANDS THE | Ratification | 10/08/1951 | |
| UNITED KINGDOM | Signature | 17/04/1950 | |
| UNITED KINGDOM | Ratification | 29/07/1950 | |
| UNITED KINGDOM | Declaration | 01/02/1953 | |