| Country | Action | Action Date | Effective Date |
|---|
| Aruba | Extension | 01/01/1986 | |
| BELIZE | Acceptance | 21/03/1980 | |
| Berlin West | Extension | 29/05/1987 | |
| Bermuda | Acceptance | 21/03/1980 | |
| British Indian Ocean Territory | Extension | 21/03/1980 | |
| British Virgin Islands | Extension | 21/03/1980 | |
| CANADA | Acceptance | 27/02/1979 | |
| Cayman Islands | Extension | 21/03/1980 | |
| CHINA | Declaration | 08/07/2005 | 18/07/2005 |
| DENMARK | Acceptance | 12/06/1979 | |
| Falkland Island Dependencies | Extension | 21/03/1980 | |
| Falkland Islands | Extension | 21/03/1980 | |
| FRANCE | Acceptance | 01/10/1979 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 29/05/1987 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 29/05/1987 | |
| Guernsey, Bailiwick of | Extension | 21/03/1980 | |
| Hong Kong | Extension | 21/03/1980 | |
| Isle of Man | Extension | 21/03/1980 | |
| ITALY | Acceptance | 30/04/1984 | |
| JAPAN | Acceptance | 15/10/1980 | |
| Jersey, Bailiwick of | Extension | 21/03/1980 | |
| Macao | Communication | 16/12/1999 | 20/12/1999 |
| Montserrat | Extension | 21/03/1980 | |
| Netherlands Antilles | Extension | 20/09/1979 | |
| NETHERLANDS THE | Acceptance | 20/09/1979 | |
| Pitcairn Islands | Extension | 21/03/1980 | |
| Sovereign Base Areas | Extension | 21/03/1980 | |
| St Helena And Dependencies | Extension | 21/03/1980 | |
| SWEDEN | Acceptance | 16/05/1980 | |
| SWITZERLAND | Acceptance | 15/12/1987 | |
| Turks And Caicos Islands | Extension | 21/03/1980 | |
| UNITED KINGDOM | Acceptance | 21/03/1980 | |
| UNITED STATES OF AMERICA | Acceptance | 24/10/1980 | |