| Country | Action | Action Date | Effective Date |
|---|
| AFGHANISTAN | Signature | 14/11/1969 | |
| AFGHANISTAN | Ratification | 08/04/1974 | |
| ALBANIA | Accession | 28/09/1979 | |
| ALGERIA | Signature | 14/11/1969 | |
| ALGERIA | Declaration | 14/11/1969 | |
| ALGERIA | Ratification | 25/01/1973 | |
| ANGOLA | Accession | | 03/03/1977 |
| Antarctic Territory | Extension | 12/11/1971 | |
| Antigua | Extension | 30/06/1972 | |
| ANTIGUA AND BARBUDA | Accession | 02/12/1993 | 20/01/1994 |
| ANTIGUA AND BARBUDA | Reservation | 02/12/1993 | |
| 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 | |
| ARMENIA | Accession | 28/08/1992 | 14/09/1992 |
| Aruba | Extension | 01/01/1986 | |
| 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 | |
| AZERBAIJAN | Accession | 15/03/1993 | 01/04/1993 |
| Bahamas | Extension | 30/06/1972 | |
| BAHAMAS | Accession | 22/03/1974 | 24/04/1974 |
| BAHRAIN | Accession | 04/04/1973 | 21/12/1973 |
| BAHRAIN | Declaration | 04/04/1973 | |
| BANGLADESH | Accession | 07/02/1973 | |
| BARBADOS | Signature | 14/11/1969 | |
| BARBADOS | Ratification | 11/12/1972 | |
| BELARUS | Signature | 14/11/1969 | |
| BELARUS | Declaration | 14/11/1969 | |
| BELARUS | Ratification | 03/02/1978 | |
| BELARUS | Declaration | 03/02/1978 | |
| BELGIUM | Signature | 14/11/1969 | |
| BELGIUM | Ratification | 21/05/1971 | |
| BELIZE | Accession | 01/10/1982 | 01/10/1982 |
| BENIN | Ratification | 01/07/1985 | |
| 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 | |
| BOSNIA AND HERZEGOVINA | Accession | 09/12/1992 | 26/01/1993 |
| BOTSWANA | Signature | 14/11/1969 | |
| BOTSWANA | Ratification | 22/01/1979 | |
| 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 | |
| BRUNEI DARUSSALAM | Accession | 21/11/1984 | 15/01/1985 |
| BULGARIA | Signature | 14/11/1969 | |
| BULGARIA | Declaration | 14/11/1969 | |
| BULGARIA | Ratification | 28/02/1974 | |
| BURMA | Signature | 14/11/1969 | |
| BURMA | Ratification | 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 | Ratification | 15/10/1971 | |
| CAPE VERDE | Accession | 27/08/1976 | 30/09/1976 |
| 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 | |
| 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 Islands | Extension | 12/11/1971 | |
| COLOMBIA | Signature | 14/11/1969 | |
| COLOMBIA | Ratification | 11/05/1976 | |
| COMOROS | Accession | 10/05/1976 | 29/07/1976 |
| CONGO, DEMOCRATIC REPUBLIC OF | Signature | 14/11/1969 | |
| CONGO, PEOPLES REPUBLIC OF | Signature | 14/11/1969 | |
| CONGO, PEOPLES REPUBLIC OF | Ratification | 09/09/1976 | |
| Cook Islands | Extension | 12/11/1971 | |
| COSTA RICA | Signature | 14/11/1969 | |
| COSTA RICA | Declaration | 14/11/1969 | |
| COSTA RICA | Ratification | 10/09/1981 | |
| COTE D'IVOIRE | Signature | 14/11/1969 | |
| COTE D'IVOIRE | Ratification | 27/01/1981 | 27/01/1981 |
| CROATIA | Accession | 03/07/1992 | 20/07/1992 |
| CUBA | Signature | 14/11/1969 | |
| CUBA | Declaration | 14/11/1969 | |
| CUBA | Ratification | 04/07/1974 | |
| CYPRUS | Signature | 14/11/1969 | |
| CYPRUS | Ratification | 28/09/1972 | |
| CZECH REPUBLIC | Accession | 01/03/1993 | 18/03/1993 |
| CZECHOSLOVAKIA | Signature | 14/11/1969 | |
| CZECHOSLOVAKIA | Declaration | 14/11/1969 | |
| CZECHOSLOVAKIA | Ratification | 03/07/1980 | 03/07/1980 |
| DAHOMEY | Signature | 14/11/1969 | |
| DENMARK | Signature | 14/11/1969 | |
| DENMARK | Ratification | 17/02/1971 | |
| DJIBOUTI | Accession | 18/11/1977 | 06/06/1978 |
| Dominica | Extension | 30/06/1972 | |
| DOMINICA, COMMONWEALTH OF | Accession | 22/10/1979 | 31/01/1980 |
| DOMINICAN REPUBLIC | Signature | 14/11/1969 | |
| ECUADOR | Accession | 26/01/1977 | |
| EGYPT | Signature | 14/11/1969 | |
| EGYPT | Declaration | 14/11/1969 | |
| EGYPT | Ratification | 03/06/1971 | |
| EGYPT | Withdrawal Dec. | 09/01/1980 | 25/01/1980 |
| EQUATORIAL GUINEA | Accession | 30/04/1973 | |
| ERITREA | Accession | 30/07/1993 | 19/08/1993 |
| ESTONIA | Accession | 09/04/1992 | 30/04/1992 |
| ETHIOPIA | Signature | 14/11/1969 | |
| ETHIOPIA | Ratification | 26/11/1973 | |
| Falkland Island Dependencies | Extension | 30/06/1972 | |
| Falkland Islands | Extension | 30/06/1972 | |
| FIJI | Accession | 14/08/1972 | |
| FINLAND | Signature | 14/11/1969 | |
| FINLAND | Ratification | 21/07/1972 | |
| FRANCE | Signature | 14/11/1969 | |
| FRANCE | Ratification | 09/12/1970 | |
| French Dependent Territories | Extension | 22/12/1977 | |
| French O/seas Postal & Telecom Office Terr. | Signature | 14/11/1969 | |
| French O/seas Postal & Telecom Office Terr. | Ratification | 09/12/1970 | |
| French O/seas Postal & Telecom Office Terr. | Denunciation | 22/12/1977 | |
| GABON | Signature | 14/11/1969 | |
| GABON | Ratification | 23/11/1972 | |
| GAMBIA THE | Accession | | 09/10/1974 |
| GEORGIA | Accession | 09/03/1993 | 01/04/1993 |
| GERMAN DEMOCRATIC REPUBLIC | Accession | | 01/06/1973 |
| GERMAN DEMOCRATIC REPUBLIC | Objection | 29/10/1973 | |
| GERMANY FEDERAL REPUBLIC | Signature | 14/11/1969 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 14/11/1969 | |
| GERMANY FEDERAL REPUBLIC | Ratification | 05/10/1971 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 05/10/1971 | |
| GERMANY FEDERAL REPUBLIC | Declaration | 04/07/1978 | |
| 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 | |
| GRENADA | Accession | 01/11/1976 | 30/01/1978 |
| GUATEMALA | Signature | 14/11/1969 | |
| GUATEMALA | Declaration | 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 | Declaration | 14/11/1969 | |
| HUNGARY | Ratification | 13/03/1974 | |
| ICELAND | Signature | 14/11/1969 | |
| ICELAND | Ratification | 29/03/1971 | |
| INDIA | Signature | 14/11/1969 | |
| INDIA | Ratification | 17/11/1972 | |
| INDONESIA | Signature | 14/11/1969 | |
| INDONESIA | Ratification | 19/07/1974 | |
| IRAN | Signature | 14/11/1969 | |
| IRAN | Ratification | 02/04/1973 | |
| IRAQ | Signature | 14/11/1969 | |
| IRAQ | Declaration | 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 | |
| ISRAEL | Declaration | 17/07/1972 | |
| ISRAEL | Declaration | 06/01/1974 | |
| ITALY | Signature | 14/11/1969 | |
| ITALY | Ratification | 30/08/1972 | |
| JAMAICA | Accession | 10/12/1973 | |
| JAPAN | Signature | 14/11/1969 | |
| JAPAN | Ratification | 08/06/1971 | |
| JORDAN | Signature | 14/11/1969 | |
| JORDAN | Declaration | 14/11/1969 | |
| JORDAN | Ratification | 03/01/1973 | |
| KAZAKHSTAN | Accession | 21/07/1992 | 27/08/1992 |
| KENYA | Signature | 14/11/1969 | |
| KENYA | Ratification | 26/02/1973 | |
| KHMER REPUBLIC | Signature | 14/11/1969 | |
| KHMER REPUBLIC | Ratification | 03/08/1972 | |
| KIRIBATI | Accession | 14/08/1984 | |
| KOREA DEMOCRATIC PEOPLE'S REPUBLIC OF | Accession | | 06/06/1974 |
| KOREA REPUBLIC OF | Signature | 14/11/1969 | |
| KOREA REPUBLIC OF | Declaration | 14/11/1969 | |
| KOREA REPUBLIC OF | Ratification | 03/03/1971 | |
| KUWAIT | Signature | 14/11/1969 | |
| KUWAIT | Declaration | 14/11/1969 | |
| KUWAIT | Ratification | 26/05/1972 | |
| KYRGYZSTAN | Accession | 15/06/1992 | 26/01/1993 |
| Land Berlin | Extension | 05/10/1971 | |
| LAOS | Signature | 14/11/1969 | |
| LAOS | Ratification | 02/02/1972 | |
| LATVIA | Accession | 19/05/1992 | 17/06/1992 |
| LEBANON | Signature | 14/11/1969 | |
| LEBANON | Declaration | 14/11/1969 | |
| LEBANON | Ratification | 05/10/1979 | |
| LESOTHO | Accession | 09/11/1971 | |
| LIBERIA | Signature | 14/11/1969 | |
| LIBERIA | Ratification | 21/08/1974 | |
| LIBYA | Accession | 08/08/1973 | |
| LIBYA | Declaration | 08/08/1973 | |
| LIECHTENSTEIN | Signature | 14/11/1969 | |
| LIECHTENSTEIN | Ratification | 05/11/1971 | |
| LITHUANIA | Accession | 18/11/1991 | 10/01/1992 |
| LUXEMBOURG | Signature | 14/11/1969 | |
| LUXEMBOURG | Ratification | 06/08/1971 | |
| Macdonald Island | Extension | 12/11/1971 | |
| MACEDONIA THE FYR OF | Accession | 16/06/1993 | 12/07/1993 |
| MADAGASCAR | Signature | 14/11/1969 | |
| MADAGASCAR | Ratification | 09/01/1973 | |
| MALAWI | Signature | 14/11/1969 | |
| MALAWI | Ratification | 27/01/1984 | |
| MALAWI | Ratification | 27/01/1984 | 27/01/1984 |
| MALAYSIA | Signature | 14/11/1969 | |
| MALAYSIA | Ratification | 17/05/1974 | |
| MALDIVES | Accession | 20/12/1973 | |
| MALI | Signature | 14/11/1969 | |
| MALI | Ratification | 18/08/1972 | |
| MALTA | Accession | 27/07/1994 | 27/07/1994 |
| MAURITANIA | Signature | 14/11/1969 | |
| MAURITANIA | Ratification | 31/01/1977 | |
| MAURITIUS | Accession | 10/09/1973 | |
| MEXICO | Signature | 14/11/1969 | |
| MEXICO | Ratification | 07/08/1973 | |
| MOLDOVA REPUBLIC OF | Accession | 20/10/1992 | 16/11/1992 |
| MONACO | Signature | 14/11/1969 | |
| MONACO | Ratification | 14/07/1971 | |
| MONGOLIA | Signature | 14/11/1969 | |
| MONGOLIA | Declaration | 14/11/1969 | |
| Montserrat | Extension | 30/06/1972 | |
| MOROCCO | Signature | 14/11/1969 | |
| MOROCCO | Declaration | 14/11/1969 | |
| MOROCCO | Ratification | 19/07/1973 | |
| MOZAMBIQUE | Accession | 02/10/1978 | 11/10/1978 |
| NAMIBIA | Accession | 08/04/1992 | 30/04/1992 |
| NAURU | Signature | 14/11/1969 | |
| NEPAL | Signature | 14/11/1969 | |
| NEPAL | Declaration | 14/11/1969 | |
| NEPAL | Ratification | 06/06/1975 | |
| 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 | Ratification | 12/11/1971 | |
| NEW ZEALAND | Declaration | 12/11/1971 | |
| NICARAGUA | Signature | 14/11/1969 | |
| NICARAGUA | Ratification | 15/02/1988 | 15/02/1988 |
| NIGER | Signature | 14/11/1969 | |
| NIGER | Ratification | 21/06/1971 | |
| NIGERIA | Signature | 14/11/1969 | |
| NIGERIA | Ratification | 06/02/1974 | |
| Niue Island | Extension | 12/11/1971 | |
| Norfolk Island | Extension | 12/11/1971 | |
| NORWAY | Signature | 14/11/1969 | |
| NORWAY | Ratification | 29/03/1973 | |
| OMAN | Accession | | 17/08/1971 |
| PAKISTAN | Signature | 14/11/1969 | |
| PAKISTAN | Reservation | 14/11/1969 | |
| PAKISTAN | Ratification | 10/10/1972 | |
| PAKISTAN | Reservation | 10/10/1972 | |
| PANAMA | Signature | 14/11/1969 | |
| Papua | Extension | 12/11/1971 | |
| PAPUA NEW GUINEA | Accession | 04/05/1976 | 04/05/1976 |
| PARAGUAY | Signature | 14/11/1969 | |
| PARAGUAY | Ratification | 12/03/1979 | |
| PERU | Accession | 08/01/1979 | |
| PHILIPPINES | Signature | 14/11/1969 | |
| PHILIPPINES | Ratification | 27/04/1973 | |
| Pitcairn Group | Extension | 30/06/1972 | |
| POLAND | Signature | 14/11/1969 | |
| POLAND | Declaration | 14/11/1969 | |
| POLAND | Ratification | 09/05/1974 | |
| 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 | |
| Portuguese Overseas Provinces | Extension | 28/12/1977 | |
| Provs in E.Africa, Asia and Oceania | Signature | 14/11/1969 | |
| Provs in E.Africa, Asia and Oceania | Ratification | 21/09/1972 | |
| Provs in E.Africa, Asia and Oceania | Denunciation | 28/12/1977 | |
| QATAR | Signature | 14/11/1969 | |
| QATAR | Declaration | 14/11/1969 | |
| QATAR | Ratification | 13/11/1980 | 13/11/1980 |
| ROMANIA | Signature | 14/11/1969 | |
| ROMANIA | Declaration | 14/11/1969 | |
| ROMANIA | Ratification | 08/01/1974 | |
| RWANDA | Signature | 14/11/1969 | |
| SAINT CHRISTOPHER AND NEVIS | Accession | 26/11/1987 | 11/01/1988 |
| SAINT LUCIA | Accession | 16/05/1980 | 10/07/1980 |
| SALVADOR | Signature | 14/11/1969 | |
| SALVADOR | Ratification | 19/04/1978 | |
| SAMOA | Accession | 13/07/1989 | 09/08/1989 |
| SAN MARINO | Signature | 14/11/1969 | |
| SAN MARINO | Ratification | 01/07/1971 | |
| SAO TOME AND PRINCIPE | Accession | | 22/08/1977 |
| SAUDI ARABIA | Signature | 14/11/1969 | |
| SAUDI ARABIA | Declaration | 14/11/1969 | |
| SAUDI ARABIA | Ratification | 11/12/1980 | |
| SENEGAL | Signature | 14/11/1969 | |
| SENEGAL | Ratification | 27/10/1972 | |
| SEYCHELLES | Accession | | 07/10/1977 |
| Seychelles | Extension | 30/06/1972 | |
| SIERRA LEONE | Signature | 14/11/1969 | |
| SIERRA LEONE | Ratification | 18/01/1974 | |
| SINGAPORE | Signature | 14/11/1969 | |
| SINGAPORE | Ratification | 19/01/1972 | |
| SLOVAK REPUBLIC | Accession | 18/03/1993 | 18/04/1993 |
| SLOVENIA | Accession | 22/07/1992 | 27/08/1992 |
| SOLOMON ISLANDS | Accession | 12/03/1984 | 04/05/1984 |
| SOMALI DEMOCRATIC REPUBLIC | Accession | 09/12/1971 | |
| SOUTH AFRICA | Accession | | 19/06/1981 |
| SOUTH AFRICA | Accession | 05/04/1972 | |
| Southern Rhodesia | Extension | 30/06/1972 | |
| SOVIET UNION | Signature | 14/11/1969 | |
| SOVIET UNION | Declaration | 14/11/1969 | |
| SOVIET UNION | Ratification | 18/01/1978 | |
| SOVIET UNION | Declaration | 18/01/1978 | |
| SPAIN | Signature | 14/11/1969 | |
| SPAIN | Ratification | 08/05/1973 | |
| Spain, Territories In Africa | Signature | 14/11/1969 | |
| SRI LANKA | Ratification | 24/04/1973 | |
| 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 | |
| ST VINCENT AND THE GRENADINES | Accession | 03/02/1981 | |
| SUDAN | Signature | 14/11/1969 | |
| SUDAN | Declaration | 14/11/1969 | |
| SURINAME | Accession | | 20/04/1976 |
| 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 | Declaration | 14/11/1969 | |
| SYRIA | Ratification | 15/09/1971 | |
| TAIWAN | Signature | 14/11/1969 | |
| TAIWAN | Declaration | 14/11/1969 | |
| TAIWAN | Ratification | 03/02/1972 | |
| TAJIKISTAN | Accession | 16/05/1994 | 09/06/1994 |
| TANZANIA | Signature | 14/11/1969 | |
| TANZANIA | Ratification | 08/05/1974 | |
| THAILAND | Signature | 14/11/1969 | |
| THAILAND | Ratification | 23/01/1971 | |
| TOGO | Signature | 14/11/1969 | |
| TOGO | Ratification | 15/12/1971 | |
| Tokelau Islands | Extension | 12/11/1971 | |
| 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 | Declaration | 14/11/1969 | |
| TUNISIA | Ratification | 16/11/1971 | |
| TUNISIA | Reservation | 16/11/1971 | |
| TURKEY | Signature | 14/11/1969 | |
| TURKEY | Ratification | 06/07/1978 | |
| TURKMENISTAN | Accession | 24/11/1992 | 26/01/1993 |
| Turks And Caicos Islands | Extension | 30/06/1972 | |
| TUVALU | Accession | | 03/02/1981 |
| UGANDA | Signature | 14/11/1969 | |
| UGANDA | Ratification | 01/03/1978 | |
| UKRAINE | Signature | 14/11/1969 | |
| UKRAINE | Declaration | 14/11/1969 | |
| UKRAINE | Ratification | 10/02/1978 | |
| UKRAINE | Declaration | 10/02/1978 | |
| UNITED ARAB EMIRATES | Accession | 02/03/1973 | 30/03/1973 |
| UNITED KINGDOM | Declaration | 14/11/1969 | |
| UNITED KINGDOM | Signature | 14/11/1969 | |
| UNITED KINGDOM | Ratification | 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 | |
| UNITED STATES OF AMERICA | Declaration | 22/07/1971 | |
| UNITED STATES OF AMERICA | Declaration | 26/01/1972 | |
| UNITED STATES OF AMERICA | Denunciation | 01/01/1978 | |
| UNITED STATES OF AMERICA | Declaration | 01/01/1978 | |
| UPPER VOLTA | Signature | 14/11/1969 | |
| UPPER VOLTA | Ratification | 12/03/1971 | |
| URUGUAY | Signature | 14/11/1969 | |
| URUGUAY | Declaration | 14/11/1969 | |
| URUGUAY | Ratification | 22/01/1979 | |
| UZBEKISTAN | Accession | 20/01/1994 | 24/02/1994 |
| VANUATU | Accession | 05/07/1982 | 16/07/1982 |
| VATICAN CITY | Signature | 14/11/1969 | |
| VATICAN CITY | Ratification | 11/05/1973 | |
| VENEZUELA | Signature | 14/11/1969 | |
| VENEZUELA | Ratification | 19/05/1976 | |
| VIETNAM | Accession | 21/01/1974 | |
| YEMEN ARAB REPUBLIC | Signature | 14/11/1969 | |
| YEMEN ARAB REPUBLIC | Declaration | 14/11/1969 | |
| YEMEN ARAB REPUBLIC | Ratification | 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 | Declaration | 14/11/1969 | |
| YUGOSLAVIA | Ratification | 10/09/1971 | |
| ZAIRE | Ratification | 09/09/1976 | |
| ZAMBIA | Signature | 14/11/1969 | |
| ZAMBIA | Ratification | 13/06/1983 | |
| ZIMBABWE | Accession | 04/05/1981 | 31/07/1981 |