| Country | Action | Action Date | Effective Date |
|---|
| ALGERIA | Definitive Signature | 02/08/1966 | |
| ARGENTINA | Definitive Signature | 07/06/1965 | |
| AUSTRALIA | Definitive Signature | 04/06/1965 | |
| AUSTRIA | Definitive Signature | 04/06/1965 | |
| BELGIUM | Definitive Signature | 04/06/1965 | |
| BRAZIL | Definitive Signature | 25/04/1966 | |
| CAMEROON | Acceptance | 06/11/1969 | |
| CANADA | Definitive Signature | 04/06/1965 | |
| CEYLON | Definitive Signature | 07/06/1965 | |
| CHILE | Definitive Signature | 22/04/1966 | |
| COLOMBIA | Definitive Signature | 04/06/1965 | |
| COSTA RICA | Accession | 09/12/1971 | |
| DENMARK | Definitive Signature | 04/06/1965 | |
| DOMINICAN REPUBLIC | Acceptance | 12/01/1970 | |
| ECUADOR | Acceptance | 28/10/1970 | |
| ETHIOPIA | Definitive Signature | 10/06/1965 | |
| FRANCE | Definitive Signature | 04/06/1965 | |
| GABON | Accession | 23/07/1971 | |
| GERMANY FEDERAL REPUBLIC | Definitive Signature | 04/06/1965 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 04/06/1965 | |
| GHANA | Accession | 15/11/1971 | |
| GUATEMALA | Acceptance | 07/03/1969 | |
| INDIA | Definitive Signature | 30/08/1965 | |
| INDONESIA | Definitive Signature | 04/06/1965 | |
| IRAN | Accession | 03/09/1968 | |
| IRAQ | Definitive Signature | 27/10/1965 | |
| IRELAND, REPUBLIC OF | Definitive Signature | 04/06/1965 | |
| ISRAEL | Definitive Signature | 04/06/1965 | |
| ITALY | Definitive Signature | 04/06/1965 | |
| IVORY COAST | Acceptance | 10/09/1969 | |
| JAMAICA | Acceptance | 04/02/1969 | |
| JAPAN | Definitive Signature | 04/06/1965 | |
| JORDAN | Definitive Signature | 22/06/1965 | |
| KENYA | Accession | 11/10/1967 | |
| KUWAIT | Definitive Signature | 10/08/1966 | |
| Land Berlin | Extension | 04/06/1965 | |
| LEBANON | Definitive Signature | 04/06/1965 | |
| LIBYA | Definitive Signature | 04/06/1965 | |
| LIECHTENSTEIN | Definitive Signature | 29/07/1966 | |
| LUXEMBOURG | Acceptance | 24/02/1969 | |
| MALAGASY REPUBLIC | Accession | 13/04/1971 | |
| MALAYSIA | Definitive Signature | 17/09/1966 | |
| MAURITANIA | Accession | 12/04/1971 | |
| MEXICO | Definitive Signature | 25/10/1966 | |
| MONACO | Definitive Signature | 17/04/1966 | |
| MOROCCO | Definitive Signature | 22/06/1966 | |
| NETHERLANDS THE | Definitive Signature | 04/06/1965 | |
| NEW ZEALAND | Definitive Signature | 09/06/1965 | |
| NICARAGUA | Acceptance | 11/02/1969 | |
| NIGERIA | Definitive Signature | 30/08/1966 | |
| NORWAY | Definitive Signature | 04/06/1965 | |
| PAKISTAN | Definitive Signature | 10/09/1965 | |
| PANAMA | Accession | 20/10/1967 | |
| PERU | Accession | 09/06/1967 | |
| PORTUGAL | Definitive Signature | 04/06/1965 | |
| SENEGAL | Acceptance | 28/05/1970 | |
| SINGAPORE | Definitive Signature | 03/06/1966 | |
| SOUTH AFRICA | Definitive Signature | 15/06/1965 | |
| SPAIN | Definitive Signature | 04/06/1965 | |
| SUDAN | Definitive Signature | 02/09/1966 | |
| SWEDEN | Definitive Signature | 04/06/1965 | |
| SWITZERLAND | Definitive Signature | 04/06/1965 | |
| SYRIA | Definitive Signature | 07/09/1966 | |
| TAIWAN | Definitive Signature | 04/06/1965 | |
| TANZANIA | Accession | 16/06/1967 | |
| THAILAND | Definitive Signature | 21/11/1966 | |
| TRINIDAD AND TOBAGO | Acceptance | 20/01/1970 | |
| TUNISIA | Definitive Signature | 08/01/1966 | |
| TURKEY | Accession | 06/05/1968 | |
| UGANDA | Accession | 05/01/1968 | |
| UNITED ARAB REPUBLIC | Definitive Signature | 17/03/1966 | |
| UNITED KINGDOM | Signature | 04/06/1965 | |
| UNITED KINGDOM | Definitive Signature | 04/06/1965 | |
| UNITED STATES OF AMERICA | Definitive Signature | 04/06/1965 | |
| VATICAN CITY | Definitive Signature | 16/06/1965 | |
| VENEZUELA | Definitive Signature | 11/10/1966 | |
| VIETNAM | Acceptance | 21/02/1969 | |
| YEMEN ARAB REPUBLIC | Definitive Signature | 29/06/1965 | |
| YUGOSLAVIA | Acceptance | 24/02/1970 | |
| ZAIRE | Acceptance | 02/02/1970 | |
| ZAMBIA | Acceptance | 20/03/1970 | |