| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Signature | 14/11/1969 | |
| AFGHANISTAN | Approval | 08/04/1974 | |
| ALGERIA | Signature | 14/11/1969 | |
| ALGERIA | Ratification | 25/01/1973 | |
| Antarctic Territory | Extension | 12/11/1971 | |
| Antigua | Extension | 30/06/1972 | |
| Antilles And Suriname | Signature | 14/11/1969 | |
| Antilles And Suriname | Ratification | 07/09/1971 | |
| ARGENTINA | Signature | 14/11/1969 | |
| ARGENTINA | Ratification | 06/11/1974 | |
| ARGENTINA | Declaration | 06/11/1974 | |
| AUSTRALIA | Signature | 14/11/1969 | |
| AUSTRALIA | Ratification | 12/11/1971 | |
| AUSTRALIA | Declaration | 12/11/1971 | |
| AUSTRIA | Signature | 14/11/1969 | |
| AUSTRIA | Ratification | 27/08/1971 | |
| Bahamas | Extension | 30/06/1972 | |
| BAHAMAS | Accession | 22/03/1974 | 24/04/1974 |
| BAHAMAS | Declaration | 22/03/1974 | |
| BAHRAIN | Accession | 04/04/1973 | 21/12/1973 |
| BAHRAIN | Declaration | 04/04/1973 | |
| BANGLADESH | Accession | 07/02/1973 | |
| BANGLADESH | Declaration | 11/10/1973 | |
| BARBADOS | Signature | 14/11/1969 | |
| BARBADOS | Approval | 16/05/1978 | |
| BELARUS | Signature | 14/11/1969 | |
| BELGIUM | Signature | 14/11/1969 | |
| BELGIUM | Approval | 21/05/1971 | |
| Bermuda | Extension | 30/06/1972 | |
| BHUTAN | Signature | 14/11/1969 | |
| BHUTAN | Ratification | 28/06/1971 | |
| BOLIVIA | Signature | 14/11/1969 | |
| BOLIVIA | Ratification | 20/07/1972 | |
| BOTSWANA | Signature | 14/11/1969 | |
| BRAZIL | Signature | 14/11/1969 | |
| BRAZIL | Ratification | 19/01/1973 | |
| British Antarctic Territory | Extension | 30/06/1972 | |
| British Honduras | Extension | 30/06/1972 | |
| British Indian Ocean Territory | Extension | 30/06/1972 | |
| British Solomon Islands | Extension | 30/06/1972 | |
| British Virgin Islands | Extension | 30/06/1972 | |
| Brunei | Extension | 30/06/1972 | |
| BULGARIA | Signature | 14/11/1969 | |
| BULGARIA | Approval | 28/02/1974 | |
| BURMA | Signature | 14/11/1969 | |
| BURMA | Approval | 12/09/1973 | |
| BURUNDI | Signature | 14/11/1969 | |
| BURUNDI | Ratification | 05/02/1973 | |
| CAMEROON | Signature | 14/11/1969 | |
| CAMEROON | Ratification | 21/11/1974 | |
| CANADA | Signature | 14/11/1969 | |
| CANADA | Approval | 15/10/1971 | |
| Cayman Islands | Extension | 30/06/1972 | |
| CENTRAL AFRICAN REPUBLIC | Signature | 14/11/1969 | |
| CENTRAL AFRICAN REPUBLIC | Ratification | 09/07/1973 | |
| Central Southern Line Islands | Extension | 30/06/1972 | |
| CEYLON | Signature | 14/11/1969 | |
| CEYLON | Approval | 24/04/1973 | |
| CHAD | Signature | 14/11/1969 | |
| CHAD | Ratification | 06/01/1972 | |
| Channel Islands | Extension | 30/06/1972 | |
| CHILE | Signature | 14/11/1969 | |
| CHILE | Ratification | 20/09/1972 | |
| CHINA | Accession | 07/02/1973 | |
| Christmas Island | Extension | 12/11/1971 | |
| Cocos Keeling Islands | Extension | 12/11/1971 | |
| COLOMBIA | Signature | 14/11/1969 | |
| CONGO, DEMOCRATIC REPUBLIC OF | Signature | 14/11/1969 | |
| CONGO, PEOPLES REPUBLIC OF | Signature | 14/11/1969 | |
| Cook Islands | Extension | 16/11/1971 | |
| COSTA RICA | Signature | 14/11/1969 | |
| COTE D'IVOIRE | Signature | 14/11/1969 | |
| CUBA | Signature | 14/11/1969 | |
| CUBA | Ratification | 04/07/1974 | |
| CYPRUS | Signature | 14/11/1969 | |
| CYPRUS | Approval | 28/09/1972 | |
| CZECHOSLOVAKIA | Signature | 14/11/1969 | |
| DAHOMEY | Signature | 14/11/1969 | |
| DENMARK | Signature | 14/11/1969 | |
| DENMARK | Ratification | 17/02/1971 | |
| Dominica | Extension | 30/06/1972 | |
| DOMINICAN REPUBLIC | Signature | 14/11/1969 | |
| EGYPT | Signature | 14/11/1969 | |
| EGYPT | Ratification | 03/06/1971 | |
| EL SALVADOR | Signature | 14/11/1969 | |
| EQUATORIAL GUINEA | Accession | 30/04/1973 | |
| ETHIOPIA | Signature | 14/11/1969 | |
| ETHIOPIA | Ratification | 26/11/1973 | |
| Falkland Island Dependencies | Extension | 30/06/1972 | |
| FIJI | Accession | 14/08/1972 | |
| FIJI | Declaration | 14/08/1972 | |
| FINLAND | Signature | 14/11/1969 | |
| FINLAND | Ratification | 21/07/1972 | |
| FRANCE | Signature | 14/11/1969 | |
| FRANCE | Approval | 18/02/1971 | |
| French O/seas Postal & Telecom Office Terr. | Signature | 14/11/1969 | |
| French O/seas Postal & Telecom Office Terr. | Approval | 18/02/1971 | |
| GABON | Signature | 14/11/1969 | |
| GABON | Ratification | 23/11/1972 | |
| GAMBIA THE | Accession | | 09/10/1974 |
| GAMBIA THE | Declaration | | 09/10/1974 |
| GERMAN DEMOCRATIC REPUBLIC | Accession | | 01/06/1973 |
| GERMAN DEMOCRATIC REPUBLIC | Objection | 29/10/1973 | |
| GERMANY FEDERAL REPUBLIC | Signature | 14/11/1969 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 05/10/1971 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 05/10/1971 | |
| GHANA | Signature | 14/11/1969 | |
| GHANA | Ratification | 22/04/1974 | |
| Gibraltar | Extension | 30/06/1972 | |
| Gilbert And Ellice Islands | Extension | 30/06/1972 | |
| GREECE | Signature | 14/11/1969 | |
| GREECE | Ratification | 31/05/1972 | |
| Grenada | Extension | 30/06/1972 | |
| GUATEMALA | Signature | 14/11/1969 | |
| GUATEMALA | Ratification | 23/10/1975 | |
| GUINEA | Signature | 14/11/1969 | |
| GUINEA | Ratification | 26/07/1973 | |
| GUINEA BISSAU | Accession | | 30/05/1974 |
| GUYANA | Signature | 14/11/1969 | |
| GUYANA | Ratification | 21/06/1973 | |
| HAITI | Accession | 27/05/1975 | |
| Heard Island | Extension | 12/11/1971 | |
| HONDURAS | Signature | 14/11/1969 | |
| Hong Kong | Extension | 30/06/1972 | |
| HUNGARY | Signature | 14/11/1969 | |
| HUNGARY | Approval | 13/03/1974 | |
| ICELAND | Signature | 14/11/1969 | |
| ICELAND | Ratification | 29/03/1971 | |
| INDIA | Signature | 14/11/1969 | |
| INDIA | Approval | 17/11/1972 | |
| INDONESIA | Signature | 14/11/1969 | |
| IRAN | Signature | 14/11/1969 | |
| IRAN | Ratification | 02/04/1973 | |
| IRAQ | Signature | 14/11/1969 | |
| IRAQ | Ratification | 04/11/1971 | |
| IRELAND, REPUBLIC OF | Signature | 14/11/1969 | |
| IRELAND, REPUBLIC OF | Ratification | 30/06/1971 | |
| Isle of Man | Extension | 30/06/1972 | |
| ISRAEL | Signature | 14/11/1969 | |
| ISRAEL | Ratification | 02/09/1971 | |
| ITALY | Signature | 14/11/1969 | |
| ITALY | Ratification | 30/08/1972 | |
| JAMAICA | Accession | 10/12/1973 | |
| JAPAN | Signature | 14/11/1969 | |
| JAPAN | Approval | 08/06/1971 | |
| JORDAN | Signature | 14/11/1969 | |
| JORDAN | Ratification | 03/01/1973 | |
| KENYA | Signature | 14/11/1969 | |
| KENYA | Ratification | 26/02/1973 | |
| KHMER REPUBLIC | Signature | 14/11/1969 | |
| KHMER REPUBLIC | Ratification | 03/08/1972 | |
| KOREA | Signature | 14/11/1969 | |
| KOREA | Ratification | 03/03/1971 | |
| KOREA DEMOCRATIC PEOPLE'S REPUBLIC OF | Accession | | 06/06/1974 |
| KUWAIT | Signature | 14/11/1969 | |
| KUWAIT | Ratification | 26/05/1972 | |
| Land Berlin | Extension | 05/10/1971 | |
| LAOS | Signature | 14/11/1969 | |
| LAOS | Approval | 15/10/1971 | |
| LEBANON | Signature | 14/11/1969 | |
| LESOTHO | Accession | 09/11/1971 | |
| LESOTHO | Declaration | 09/11/1971 | |
| LIBERIA | Signature | 14/11/1969 | |
| LIBYA | Accession | 08/08/1973 | |
| LIBYA | Declaration | 08/08/1973 | |
| LIECHTENSTEIN | Signature | 14/11/1969 | |
| LIECHTENSTEIN | Ratification | 05/11/1971 | |
| LUXEMBOURG | Signature | 14/11/1969 | |
| LUXEMBOURG | Ratification | 06/08/1971 | |
| Macdonald Island | Extension | 12/11/1971 | |
| MADAGASCAR | Signature | 14/11/1969 | |
| MADAGASCAR | Approval | 09/01/1973 | |
| MALAWI | Signature | 14/11/1969 | |
| MALAYSIA | Signature | 14/11/1969 | |
| MALAYSIA | Approval | 17/05/1974 | |
| MALDIVES | Accession | 20/12/1973 | |
| MALI | Signature | 14/11/1969 | |
| MALI | Ratification | 18/08/1972 | |
| MAURITANIA | Signature | 14/11/1969 | |
| MAURITIUS | Accession | 10/09/1973 | |
| MEXICO | Signature | 14/11/1969 | |
| MEXICO | Ratification | 07/08/1973 | |
| MONACO | Signature | 14/11/1969 | |
| MONACO | Ratification | 14/07/1971 | |
| MONGOLIA | Signature | 14/11/1969 | |
| Montserrat | Extension | 30/06/1972 | |
| MOROCCO | Signature | 14/11/1969 | |
| MOROCCO | Ratification | 19/07/1973 | |
| NAURU | Signature | 14/11/1969 | |
| NEPAL | Signature | 14/11/1969 | |
| NEPAL | Approval | 19/09/1974 | |
| NETHERLANDS THE | Signature | 14/11/1969 | |
| NETHERLANDS THE | Ratification | 07/09/1971 | |
| NETHERLANDS THE | Declaration | 09/05/1972 | |
| New Guinea | Extension | 12/11/1971 | |
| New Hebrides | Extension | 30/06/1972 | |
| NEW ZEALAND | Signature | 14/11/1969 | |
| NEW ZEALAND | Approval | 12/11/1971 | |
| NEW ZEALAND | Declaration | 12/11/1971 | |
| NICARAGUA | Signature | 14/11/1969 | |
| NIGER | Signature | 14/11/1969 | |
| NIGER | Approval | 21/06/1971 | |
| NIGERIA | Signature | 14/11/1969 | |
| NIGERIA | Approval | 03/09/1974 | |
| Niue Island | Extension | 16/11/1971 | |
| Norfolk Island | Extension | 12/11/1971 | |
| NORWAY | Signature | 14/11/1969 | |
| NORWAY | Approval | 29/03/1973 | |
| OMAN | Accession | | 17/08/1971 |
| PAKISTAN | Signature | 14/11/1969 | |
| PAKISTAN | Approval | 10/10/1972 | |
| PANAMA | Signature | 14/11/1969 | |
| Papua | Extension | 12/11/1971 | |
| PARAGUAY | Signature | 14/11/1969 | |
| PHILIPPINES | Signature | 14/11/1969 | |
| PHILIPPINES | Ratification | 27/04/1973 | |
| Pitcairn Group | Extension | 30/06/1972 | |
| POLAND | Signature | 14/11/1969 | |
| PORTUGAL | Signature | 14/11/1969 | |
| PORTUGAL | Ratification | 15/10/1971 | |
| Portugal, Provinces In West Africa | Signature | 14/11/1969 | |
| Portugal, Provinces In West Africa | Ratification | 24/10/1972 | |
| Provs in E.Africa, Asia and Oceania | Signature | 14/11/1969 | |
| Provs in E.Africa, Asia and Oceania | Ratification | 21/09/1972 | |
| QATAR | Signature | 14/11/1969 | |
| ROMANIA | Signature | 14/11/1969 | |
| ROMANIA | Approval | 11/04/1974 | |
| RWANDA | Signature | 14/11/1969 | |
| SAN MARINO | Signature | 14/11/1969 | |
| SAN MARINO | Ratification | 01/07/1971 | |
| SAUDI ARABIA | Signature | 14/11/1969 | |
| SENEGAL | Signature | 14/11/1969 | |
| Seychelles | Extension | 30/06/1972 | |
| SIERRA LEONE | Signature | 14/11/1969 | |
| SIERRA LEONE | Ratification | 18/01/1974 | |
| SINGAPORE | Signature | 14/11/1969 | |
| SINGAPORE | Approval | 19/01/1972 | |
| SOMALI DEMOCRATIC REPUBLIC | Accession | 09/12/1971 | |
| SOUTH AFRICA | Accession | 05/04/1972 | |
| Southern Rhodesia | Extension | 30/06/1972 | |
| SOVIET UNION | Signature | 14/11/1969 | |
| SPAIN | Signature | 14/11/1969 | |
| SPAIN | Ratification | 08/05/1973 | |
| Spain, Territories In Africa | Signature | 14/11/1969 | |
| St Christopher, Nevis and Anguilla | Extension | 30/06/1972 | |
| St Helena Dependencies | Extension | 30/06/1972 | |
| St Lucia | Extension | 30/06/1972 | |
| St Vincent | Extension | 30/06/1972 | |
| SUDAN | Signature | 14/11/1969 | |
| SWAZILAND | Accession | 08/06/1971 | |
| SWEDEN | Signature | 14/11/1969 | |
| SWEDEN | Ratification | 01/10/1971 | |
| SWITZERLAND | Signature | 14/11/1969 | |
| SWITZERLAND | Ratification | 23/03/1971 | |
| SYRIA | Signature | 14/11/1969 | |
| SYRIA | Ratification | 15/09/1971 | |
| TAIWAN | Signature | 14/11/1969 | |
| TAIWAN | Ratification | 03/02/1972 | |
| TANZANIA | Signature | 14/11/1969 | |
| TANZANIA | Provisional application | 14/06/1979 | 01/07/1971 |
| Territories Including Pacific Islands | Signature | 14/11/1969 | |
| Territories Including Pacific Islands | Ratification | 22/07/1971 | |
| THAILAND | Signature | 14/11/1969 | |
| THAILAND | Approval | 24/03/1971 | |
| TOGO | Signature | 14/11/1969 | |
| TOGO | Ratification | 15/12/1971 | |
| Tokelau Islands | Extension | 16/11/1971 | |
| TONGA | Accession | 26/01/1972 | |
| TRINIDAD AND TOBAGO | Signature | 14/11/1969 | |
| TRINIDAD AND TOBAGO | Ratification | 07/03/1974 | |
| TUNISIA | Signature | 14/11/1969 | |
| TUNISIA | Ratification | 16/11/1971 | |
| TURKEY | Signature | 14/11/1969 | |
| Turks And Caicos Islands | Extension | 30/06/1972 | |
| UGANDA | Signature | 14/11/1969 | |
| UKRAINE | Signature | 14/11/1969 | |
| UNITED ARAB EMIRATES | Accession | 02/03/1973 | |
| UNITED KINGDOM | Signature | 14/11/1969 | |
| UNITED KINGDOM | Approval | 30/06/1972 | |
| UNITED KINGDOM | Objection | 22/01/1975 | |
| UNITED STATES OF AMERICA | Signature | 14/11/1969 | |
| UNITED STATES OF AMERICA | Ratification | 22/07/1971 | |
| UPPER VOLTA | Signature | 14/11/1969 | |
| UPPER VOLTA | Approval | 29/05/1971 | |
| URUGUAY | Signature | 14/11/1969 | |
| VATICAN CITY | Signature | 14/11/1969 | |
| VATICAN CITY | Ratification | 11/05/1973 | |
| VIETNAM | Accession | 21/01/1974 | |
| YEMEN ARAB REPUBLIC | Signature | 14/11/1969 | |
| YEMEN ARAB REPUBLIC | Approval | 01/09/1971 | |
| YEMEN, PEOPLES'S DEMOCRATIC REPUBLIC OF | Accession | 20/04/1971 | |
| YEMEN, PEOPLES'S DEMOCRATIC REPUBLIC OF | Declaration | 20/04/1971 | |
| YUGOSLAVIA | Signature | 14/11/1969 | |
| YUGOSLAVIA | Ratification | 10/09/1971 | |
| ZAMBIA | Signature | 14/11/1969 | |