| Country | Action | Action Date | Effective Date |
|---|
| BELIZE | Extension | 09/03/1979 | |
| Berlin West | Extension | 09/05/1983 | |
| Bermuda | Extension | 09/03/1979 | |
| British Indian Ocean Territory | Extension | 09/03/1979 | |
| Cayman Islands | Extension | 09/03/1979 | |
| Falkland Island Dependencies | Extension | 09/03/1979 | |
| Falkland Islands | Extension | 09/03/1979 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 09/05/1983 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 09/05/1983 | |
| Gilbert Islands | Extension | 09/03/1979 | |
| Guernsey, Bailiwick of | Extension | 09/03/1979 | |
| Hong Kong | Extension | 09/03/1979 | |
| Isle of Man | Extension | 09/03/1979 | |
| ITALY | Acceptance | 03/03/1983 | |
| ITALY | Acceptance | 30/04/1984 | |
| JAPAN | Acceptance | 15/10/1980 | |
| Jersey, Bailiwick of | Extension | 09/03/1979 | |
| KIRIBATI | Acceptance | 12/04/1982 | |
| KIRIBATI | Acceptance | 12/05/1982 | |
| Montserrat | Extension | 09/03/1979 | |
| NEW ZEALAND | Acceptance | 03/03/1983 | |
| Pitcairn Islands | Acceptance | 09/03/1979 | |
| Sovereign Base Areas | Extension | 09/03/1979 | |
| St Helena And Dependencies | Extension | 09/03/1979 | |
| Turks And Caicos Islands | Extension | 09/03/1979 | |
| UNITED KINGDOM | Acceptance | 09/03/1979 | |