| Country | Action | Action Date | Effective Date |
|---|
| AUSTRALIA | Signature | 30/08/1976 | |
| AUSTRALIA | Ratification | 29/09/1976 | |
| AUSTRIA | Signature | 28/06/1976 | |
| AUSTRIA | Ratification | 31/03/1977 | |
| BELGIUM | Signature | 23/08/1976 | |
| BELGIUM | Provisional application | 30/09/1976 | |
| BELGIUM | Ratification | 06/10/1978 | |
| Berlin West | Extension | 28/03/1978 | |
| BRAZIL | Signature | 09/06/1976 | |
| BRAZIL | Ratification | 07/11/1978 | |
| BULGARIA | Signature | 31/08/1976 | |
| BULGARIA | Declaration | 31/08/1976 | |
| BULGARIA | Approval | 07/10/1976 | |
| BULGARIA | Declaration | 07/10/1976 | |
| CAMEROON | Signature | 31/08/1976 | |
| CAMEROON | Provisional application | 30/09/1976 | |
| CAMEROON | Ratification | 06/09/1979 | |
| CANADA | Signature | 30/07/1976 | |
| CANADA | Ratification | 17/09/1976 | |
| COLOMBIA | Provisional application | 27/09/1976 | |
| COLOMBIA | Accession | 16/03/1979 | |
| CZECHOSLOVAKIA | Signature | 16/08/1976 | |
| CZECHOSLOVAKIA | Declaration | 16/08/1976 | |
| CZECHOSLOVAKIA | Approval | 30/09/1976 | |
| CZECHOSLOVAKIA | Declaration | 30/09/1976 | |
| DENMARK | Signature | 30/06/1976 | |
| DENMARK | Ratification | 30/09/1976 | |
| DOMINICA, COMMONWEALTH OF | Extension | 19/08/1976 | |
| DOMINICA, COMMONWEALTH OF | Accession | 11/09/1979 | |
| ECUADOR | Signature | 30/06/1976 | |
| ECUADOR | Ratification | 28/09/1976 | |
| EUROPEAN ECONOMIC COMMUNITY | Signature | 27/07/1976 | |
| EUROPEAN ECONOMIC COMMUNITY | Provisional application | 29/09/1976 | |
| EUROPEAN ECONOMIC COMMUNITY | Ratification | 23/02/1979 | |
| FINLAND | Signature | 27/08/1976 | |
| FINLAND | Provisional application | 24/09/1976 | |
| FINLAND | Ratification | 14/06/1977 | |
| FRANCE | Signature | 05/04/1976 | |
| FRANCE | Provisional application | 24/09/1976 | |
| FRANCE | Approval | 01/08/1977 | |
| GABON | Accession | 06/12/1976 | |
| GERMAN DEMOCRATIC REPUBLIC | Signature | 24/08/1976 | |
| GERMAN DEMOCRATIC REPUBLIC | Provisional application | 30/09/1976 | |
| GERMAN DEMOCRATIC REPUBLIC | Approval | 30/11/1976 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 30/11/1976 | |
| GERMAN DEMOCRATIC REPUBLIC | Declaration | 19/12/1978 | |
| GERMANY FEDERAL REPUBLIC | Signature | 14/07/1976 | |
| GERMANY FEDERAL REPUBLIC | Provisional application | 29/09/1976 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 28/03/1978 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 28/03/1978 | |
| GERMANY FEDERAL REPUBLIC | Statement | 28/03/1978 | |
| GHANA | Signature | 15/03/1976 | |
| GHANA | Ratification | 28/09/1976 | |
| GRENADA | Accession | 06/12/1976 | |
| GUATEMALA | Signature | 07/04/1976 | |
| GUATEMALA | Provisional application | 22/09/1976 | |
| GUATEMALA | Ratification | 13/08/1979 | |
| Guernsey | Extension | 03/09/1976 | |
| HUNGARY | Signature | 27/08/1976 | |
| HUNGARY | Declaration | 27/08/1976 | |
| HUNGARY | Ratification | 28/09/1976 | |
| HUNGARY | Declaration | 28/09/1976 | |
| IRELAND, REPUBLIC OF | Signature | 26/07/1976 | |
| IRELAND, REPUBLIC OF | Provisional application | 28/09/1976 | |
| IRELAND, REPUBLIC OF | Ratification | 14/10/1977 | |
| Isle of Man | Extension | 03/09/1976 | |
| ITALY | Signature | 23/08/1976 | |
| ITALY | Provisional application | 29/09/1976 | |
| ITALY | Ratification | 14/03/1978 | |
| IVORY COAST | Accession | 27/09/1976 | |
| JAMAICA | Signature | 30/03/1976 | |
| JAMAICA | Ratification | 30/09/1976 | |
| JAPAN | Signature | 26/04/1976 | |
| JAPAN | Acceptance | 16/07/1976 | |
| Jersey | Extension | 03/09/1976 | |
| LUXEMBOURG | Signature | 23/08/1976 | |
| LUXEMBOURG | Provisional application | 30/09/1976 | |
| LUXEMBOURG | Ratification | 06/10/1978 | |
| MEXICO | Signature | 31/08/1976 | |
| MEXICO | Provisional application | 29/09/1976 | |
| MEXICO | Ratification | 01/03/1977 | |
| NETHERLANDS THE | Signature | 05/08/1976 | |
| NETHERLANDS THE | Acceptance | 31/03/1978 | 31/03/1978 |
| NEW ZEALAND | Signature | 28/07/1976 | |
| NEW ZEALAND | Ratification | 27/09/1976 | |
| NIGERIA | Accession | 30/09/1976 | |
| NORWAY | Signature | 26/04/1976 | |
| NORWAY | Ratification | 01/07/1976 | |
| PANAMA | Signature | 27/07/1976 | |
| PAPUA NEW GUINEA | Signature | 31/08/1976 | |
| PAPUA NEW GUINEA | Ratification | 27/09/1976 | |
| PERU | Provisional application | 28/09/1976 | |
| PERU | Accession | 31/08/1979 | |
| PHILIPPINES | Accession | 11/08/1978 | |
| PORTUGAL | Signature | 31/08/1976 | |
| PORTUGAL | Provisional application | 21/09/1976 | |
| Sao Tome And Principe | Provisional application | 30/09/1976 | |
| SOVIET UNION | Signature | 23/08/1976 | |
| SOVIET UNION | Declaration | 23/08/1976 | |
| SOVIET UNION | Acceptance | 16/09/1976 | |
| SOVIET UNION | Declaration | 16/09/1976 | |
| SOVIET UNION | Declaration | 19/12/1978 | |
| SPAIN | Signature | 13/07/1976 | |
| SPAIN | Provisional application | 30/09/1976 | |
| SPAIN | Ratification | 09/12/1976 | |
| St Lucia | Extension | 19/08/1976 | |
| St Lucia | Provisional application | 18/04/1979 | |
| St Lucia | Succession | 14/05/1979 | |
| St Vincent | Extension | 19/08/1976 | |
| ST VINCENT AND THE GRENADINES | Accession | 08/02/1980 | |
| SWEDEN | Signature | 22/06/1976 | |
| SWEDEN | Ratification | 07/07/1976 | |
| SWITZERLAND | Signature | 05/04/1976 | |
| SWITZERLAND | Ratification | 27/09/1976 | |
| TOGO | Signature | 12/05/1976 | |
| TOGO | Provisional application | 24/09/1976 | |
| TRINIDAD AND TOBAGO | Signature | 09/06/1976 | |
| TRINIDAD AND TOBAGO | Ratification | 02/07/1976 | |
| UNITED KINGDOM | Signature | 31/03/1976 | |
| UNITED KINGDOM | Ratification | 19/08/1976 | |
| VENEZUELA | Signature | 31/08/1976 | |
| VENEZUELA | Provisional application | 18/10/1976 | |
| VENEZUELA | Ratification | 15/02/1979 | |
| WESTERN SAMOA | Accession | 06/12/1976 | |
| YUGOSLAVIA | Signature | 10/05/1976 | |
| YUGOSLAVIA | Ratification | 30/09/1976 | |
| ZAIRE | Signature | 30/07/1976 | |
| ZAIRE | Provisional application | 30/09/1976 | |
| ZAIRE | Ratification | 25/07/1977 | |