| Country | Action | Action Date | Effective Date |
|---|---|---|---|
| ARGENTINA | Prov Acceptance | 28/11/1975 | |
| ARGENTINA | Confirmation | 31/03/1977 | |
| AUSTRALIA | Prov Acceptance | 17/12/1975 | |
| AUSTRALIA | Confirmation | 16/06/1976 | |
| BANGLADESH | Acceptance | 31/12/1975 | |
| Barbados | Prov Acceptance | 30/12/1975 | |
| Barbados | Acceptance | 18/02/1976 | |
| BELIZE | Acceptance | 29/12/1975 | |
| BOLIVIA | Accession | 07/05/1976 | |
| BRAZIL | Acceptance | 18/12/1975 | |
| CAMEROON | Acceptance | 31/12/1975 | |
| CANADA | Acceptance | 31/10/1975 | |
| CHILE | Acceptance | 19/12/1975 | |
| COLOMBIA | Prov Acceptance | 12/12/1975 | |
| COLOMBIA | Confirmation | 29/11/1976 | |
| COSTA RICA | Acceptance | 30/12/1975 | |
| CUBA | Acceptance | 03/12/1975 | |
| CUBA | Declaration | 03/12/1975 | |
| CZECHOSLOVAKIA | Acceptance | 23/12/1975 | |
| DOMINICAN REPUBLIC | Prov Acceptance | 29/12/1975 | |
| DOMINICAN REPUBLIC | Acceptance | 04/02/1976 | |
| ECUADOR | Acceptance | 30/12/1975 | |
| EGYPT | Accession | 11/06/1976 | 01/01/1976 |
| EL SALVADOR | Prov Acceptance | 21/11/1975 | |
| EL SALVADOR | Confirmation | 06/05/1976 | |
| FIJI | Acceptance | 18/11/1975 | |
| FINLAND | Prov Acceptance | 12/12/1975 | |
| FINLAND | Confirmation | 05/04/1976 | |
| GERMAN DEMOCRATIC REPUBLIC | Acceptance | 14/11/1975 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 14/11/1975 | |
| GHANA | Accession | 07/05/1976 | |
| GUATEMALA | Prov Acceptance | 10/11/1975 | |
| GUATEMALA | Confirmation | 11/10/1976 | |
| GUYANA | Acceptance | 26/11/1975 | |
| HUNGARY | Acceptance | 29/12/1975 | |
| INDIA | Acceptance | 31/12/1975 | |
| INDONESIA | Prov Acceptance | 24/12/1975 | |
| INDONESIA | Confirmation | 28/06/1976 | |
| IRAQ | Accession | 11/03/1976 | |
| IRAQ | Declaration | 11/03/1976 | |
| IRAQ | Declaration | 25/10/1977 | |
| JAMAICA | Acceptance | 30/12/1975 | |
| JAPAN | Acceptance | 09/12/1975 | |
| KOREA REPUBLIC OF | Acceptance | 29/12/1975 | |
| LIBYA | Accession | 22/06/1976 | 01/01/1976 |
| MADAGASCAR | Accession | 12/07/1976 | 01/01/1976 |
| MALAWI | Acceptance | 31/12/1975 | |
| MALAYSIA | Acceptance | 29/12/1975 | |
| MAURITIUS | Acceptance | 05/12/1975 | |
| MEXICO | Prov Acceptance | 31/12/1975 | |
| MEXICO | Confirmation | 19/05/1976 | |
| NEW ZEALAND | Acceptance | 17/12/1975 | |
| NICARAGUA | Prov Acceptance | 24/11/1975 | |
| NICARAGUA | Acceptance | 09/02/1976 | |
| NIGERIA | Accession | 09/06/1976 | 01/01/1976 |
| PANAMA | Acceptance | 19/11/1975 | |
| PARAGUAY | Acceptance | 31/12/1975 | |
| PERU | Prov Acceptance | 19/11/1975 | |
| PERU | Confirmation | 25/08/1976 | |
| PHILIPPINES | Acceptance | 29/12/1975 | |
| POLAND | Acceptance | 03/12/1975 | |
| PORTUGAL | Prov Acceptance | 18/12/1975 | |
| PORTUGAL | Confirmation | 15/06/1976 | |
| SINGAPORE | Acceptance | 03/12/1975 | |
| SOUTH AFRICA | Acceptance | 18/11/1975 | |
| SOVIET UNION | Acceptance | 24/12/1975 | |
| St Kitts Nevis Anguilla | Acceptance | 29/12/1975 | |
| SWAZILAND | Acceptance | 11/12/1975 | |
| SWEDEN | Acceptance | 05/12/1975 | |
| THAILAND | Acceptance | 13/11/1975 | |
| TRINIDAD AND TOBAGO | Acceptance | 05/12/1975 | |
| UGANDA | Acceptance | 20/11/1975 | |
| UNITED KINGDOM | |||
| YUGOSLAVIA | Prov Acceptance | 31/12/1975 | |
| YUGOSLAVIA | Confirmation | 28/06/1976 |