| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ANGOLA | Acceptance | 20/09/1991 | |
| AUSTRIA | Accession | 27/08/1992 | |
| BELGIUM | Provisional application | 19/09/1991 | |
| BELGIUM | Acceptance | 25/03/1992 | |
| BENIN | Accession | 12/03/1992 | |
| BOLIVIA | Provisional application | 26/09/1991 | |
| BOLIVIA | Acceptance | 30/03/1992 | |
| BURUNDI | Acceptance | 19/08/1991 | |
| CAMEROON | Accession | 23/10/1991 | 01/10/1991 |
| CENTRAL AFRICAN REPUBLIC | Acceptance | 06/08/1991 | |
| COLOMBIA | Acceptance | 27/09/1991 | |
| COSTA RICA | Acceptance | 20/06/1991 | |
| COTE D'IVOIRE | Acceptance | 30/09/1991 | |
| CUBA | Acceptance | 30/05/1991 | |
| CYPRUS | Acceptance | 30/09/1991 | |
| DENMARK | Acceptance | 19/09/1991 | |
| DENMARK | Declaration | 19/09/1991 | |
| DOMINICAN REPUBLIC | Acceptance | 27/09/1991 | |
| ECUADOR | Acceptance | 30/09/1991 | |
| EL SALVADOR | Acceptance | 16/08/1991 | |
| EQUATORIAL GUINEA | Accession | 15/01/1992 | 01/10/1991 |
| ETHIOPIA | Acceptance | 27/09/1991 | |
| EUROPEAN ECONOMIC COMMUNITY | Acceptance | 19/09/1991 | |
| FIJI | Accession | 24/03/1992 | 01/10/1991 |
| FINLAND | Acceptance | 17/09/1991 | |
| FRANCE | Acceptance | 21/05/1991 | |
| GERMANY | Acceptance | 19/09/1991 | |
| GHANA | Accession | 07/02/1992 | 01/10/1991 |
| GREECE | Acceptance | 19/09/1991 | |
| GUATEMALA | Provisional application | 24/09/1991 | |
| GUATEMALA | Acceptance | 10/10/1991 | |
| Guernsey, Bailiwick of | Provisional application | 19/09/1991 | |
| GUINEA | Accession | 27/12/1991 | |
| HAITI | Accession | 30/03/1992 | 01/10/1991 |
| HONDURAS | Acceptance | 14/08/1991 | |
| INDIA | Provisional application | 27/09/1991 | |
| INDIA | Acceptance | 09/03/1992 | |
| INDONESIA | Acceptance | 30/09/1991 | |
| IRELAND | Acceptance | 19/09/1991 | |
| ITALY | Acceptance | 19/09/1991 | |
| JAMAICA | Provisional application | 27/09/1991 | |
| JAMAICA | Acceptance | 06/02/1992 | |
| JAPAN | Acceptance | 27/09/1991 | |
| JAPAN | Declaration | 27/09/1991 | |
| Jersey, Bailiwick of | Provisional application | 19/09/1991 | |
| KENYA | Acceptance | 18/06/1991 | |
| LUXEMBOURG | Provisional application | 19/09/1991 | |
| LUXEMBOURG | Acceptance | 25/03/1992 | |
| MADAGASCAR | Accession | 28/08/1992 | |
| MALAWI | Accession | 18/10/1991 | 01/10/1991 |
| MEXICO | Acceptance | 18/07/1991 | |
| NETHERLANDS THE | Acceptance | 19/09/1991 | |
| NICARAGUA | Provisional application | 30/09/1991 | |
| NICARAGUA | Acceptance | 30/03/1992 | |
| NIGERIA | Acceptance | 24/09/1992 | |
| NORWAY | Acceptance | 20/09/1991 | |
| PANAMA | Acceptance | 02/07/1991 | |
| PAPUA NEW GUINEA | Acceptance | 27/09/1991 | |
| PARAGUAY | Acceptance | 26/08/1991 | |
| PERU | Accession | 24/03/1992 | 01/10/1991 |
| PHILIPPINES | Acceptance | 06/09/1991 | |
| PORTUGAL | Acceptance | 19/09/1991 | |
| RWANDA | Acceptance | 30/09/1991 | |
| SIERRA LEONE | Accession | 24/09/1992 | |
| SPAIN | Acceptance | 19/09/1991 | |
| SRI LANKA | Acceptance | 19/09/1991 | |
| St Helena | Provisional application | 19/09/1991 | |
| SWEDEN | Acceptance | 17/09/1991 | |
| SWITZERLAND | Acceptance | 19/09/1991 | |
| TANZANIA | Acceptance | 23/08/1991 | |
| THAILAND | Acceptance | 30/09/1991 | |
| TOGO | Provisional application | 26/09/1991 | |
| TOGO | Accession | 15/07/1992 | 01/10/1991 |
| TRINIDAD AND TOBAGO | Provisional application | 20/08/1991 | |
| TRINIDAD AND TOBAGO | Acceptance | 31/03/1992 | |
| UGANDA | Acceptance | 26/09/1991 | |
| UNITED KINGDOM | Provisional application | 19/09/1991 | |
| UNITED KINGDOM | Acceptance | 07/11/1991 | |
| UNITED STATES OF AMERICA | Acceptance | 30/09/1991 | |
| VENEZUELA | Acceptance | 04/09/1991 | |
| VIETNAM | Acceptance | 30/09/1991 | |
| ZAIRE | Accession | 12/06/1992 | |
| ZAMBIA | Accession | 10/02/1992 | 01/10/1991 |
| ZIMBABWE | Accession | 25/11/1991 |