| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ANGOLA | Acceptance | 29/09/1989 | |
| AUSTRIA | Accession | 07/06/1990 | |
| BELGIUM | Provisional application | 29/09/1989 | |
| BELGIUM | Acceptance | 20/12/1990 | |
| BENIN | Acceptance | 18/09/1989 | |
| BOLIVIA | Acceptance | 25/09/1989 | |
| BRAZIL | Provisional application | 15/09/1989 | |
| BURUNDI | Acceptance | 11/09/1989 | |
| CAMEROON | Acceptance | 29/09/1989 | |
| CANADA | Acceptance | 27/09/1989 | |
| CENTRAL AFRICAN REPUBLIC | Provisional application | 20/09/1989 | |
| COLOMBIA | Acceptance | 15/09/1989 | |
| CONGO | Accession | 30/07/1990 | 01/10/1989 |
| COSTA RICA | Acceptance | 26/09/1989 | |
| COTE D'IVOIRE | Acceptance | 28/09/1989 | |
| CUBA | Provisional application | 30/09/1989 | |
| CUBA | Acceptance | 03/08/1990 | |
| CYPRUS | Accession | 27/10/1989 | |
| CYPRUS | Declaration | 27/10/1989 | |
| DENMARK | Provisional application | 29/09/1989 | |
| DENMARK | Acceptance | 20/12/1990 | |
| DOMINICAN REPUBLIC | Acceptance | 29/09/1989 | |
| ECUADOR | Provisional application | 29/09/1989 | |
| ECUADOR | Acceptance | 27/09/1990 | |
| EL SALVADOR | Acceptance | 28/09/1989 | |
| EQUATORIAL GUINEA | Acceptance | 29/09/1989 | |
| ETHIOPIA | Provisional application | 26/09/1989 | |
| ETHIOPIA | Acceptance | 26/03/1990 | |
| EUROPEAN ECONOMIC COMMUNITY | Provisional application | 29/09/1989 | |
| EUROPEAN ECONOMIC COMMUNITY | Acceptance | 20/12/1990 | |
| FIJI | Acceptance | 30/09/1989 | |
| FINLAND | Acceptance | 27/09/1989 | |
| FRANCE | Provisional application | 29/09/1989 | |
| FRANCE | Acceptance | 20/12/1990 | |
| GABON | Acceptance | 30/09/1989 | |
| GERMANY FEDERAL REPUBLIC | Provisional application | 29/09/1989 | |
| GERMANY FEDERAL REPUBLIC | Acceptance | 20/12/1990 | |
| GHANA | Acceptance | 29/09/1989 | |
| GREECE | Provisional application | 29/09/1989 | |
| GREECE | Acceptance | 20/12/1990 | |
| GUATEMALA | Acceptance | 05/09/1989 | |
| Guernsey, Bailiwick of | Provisional application | 29/09/1989 | |
| Guernsey, Bailiwick of | Extension | 20/12/1990 | |
| GUINEA | Acceptance | 29/09/1989 | |
| HAITI | Acceptance | 29/09/1989 | |
| HONDURAS | Acceptance | 08/09/1989 | |
| INDIA | Acceptance | 29/09/1989 | |
| INDONESIA | Acceptance | 28/09/1989 | |
| IRELAND | Provisional application | 29/09/1989 | |
| IRELAND | Acceptance | 20/12/1990 | |
| ITALY | Provisional application | 29/09/1989 | |
| ITALY | Acceptance | 20/12/1990 | |
| JAMAICA | Accession | 22/03/1990 | |
| JAMAICA | Declaration | 22/03/1990 | |
| JAPAN | Provisional application | 29/09/1989 | |
| JAPAN | Acceptance | 17/07/1990 | |
| Jersey, Bailiwick of | Provisional application | 29/09/1989 | |
| Jersey, Bailiwick of | Acceptance | 20/12/1990 | |
| KENYA | Acceptance | 28/09/1989 | |
| LIBERIA | Acceptance | 21/09/1989 | |
| LUXEMBOURG | Provisional application | 29/09/1989 | |
| LUXEMBOURG | Acceptance | 20/12/1990 | |
| MADAGASCAR | Acceptance | 29/09/1989 | |
| MALAWI | Acceptance | 28/09/1989 | |
| MEXICO | Acceptance | 29/09/1989 | |
| NETHERLANDS THE | Provisional application | 29/09/1989 | |
| NETHERLANDS THE | Acceptance | 20/12/1990 | |
| NICARAGUA | Acceptance | 20/09/1989 | |
| NIGERIA | Provisional application | 29/09/1989 | |
| NORWAY | Acceptance | 26/09/1989 | |
| PANAMA | Acceptance | 28/09/1989 | |
| PAPUA NEW GUINEA | Acceptance | 29/09/1989 | |
| PARAGUAY | Acceptance | 22/09/1989 | |
| PERU | Provisional application | 28/09/1989 | |
| PERU | Acceptance | 14/03/1990 | |
| PHILIPPINES | Acceptance | 30/09/1989 | |
| PORTUGAL | Acceptance | 29/09/1989 | |
| RWANDA | Acceptance | 30/09/1989 | |
| SIERRA LEONE | Accession | 29/11/1989 | |
| SIERRA LEONE | Declaration | 29/11/1989 | |
| SINGAPORE | Accession | 28/11/1989 | |
| SINGAPORE | Declaration | 28/11/1989 | |
| SPAIN | Provisional application | 29/09/1989 | |
| SPAIN | Acceptance | 20/12/1990 | |
| SRI LANKA | Acceptance | 29/09/1989 | |
| St Helena | Provisional application | 29/09/1989 | |
| St Helena | Acceptance | 20/12/1990 | |
| SWEDEN | Acceptance | 26/09/1989 | |
| SWITZERLAND | Acceptance | 29/09/1989 | |
| TANZANIA | Acceptance | 27/09/1989 | |
| THAILAND | Acceptance | 29/09/1989 | |
| TOGO | Acceptance | 26/09/1989 | |
| TRINIDAD AND TOBAGO | Accession | 13/11/1989 | |
| TRINIDAD AND TOBAGO | Declaration | 13/11/1989 | |
| UGANDA | Acceptance | 26/09/1989 | |
| UNITED KINGDOM | Provisional application | 29/09/1989 | |
| UNITED KINGDOM | Acceptance | 20/12/1990 | |
| UNITED STATES OF AMERICA | Acceptance | 26/09/1989 | |
| VENEZUELA | Provisional application | 27/09/1989 | |
| VENEZUELA | Acceptance | 02/03/1990 | |
| ZAIRE | Acceptance | 20/09/1989 | |
| ZAMBIA | Acceptance | 21/09/1989 | |
| ZIMBABWE | Acceptance | 20/09/1989 |