NULL

Participant	Action	Date of Notification/Deposit	Date of Effect
Algeria	Accession	09/03/2007	09/03/2007
Antigua and Barbuda	Succession	13/12/1988	01/11/1981
Argentina	Signature	26/03/1975
Argentina	Ratification	05/05/1993	05/05/1993
Armenia	Accession	19/01/2018	19/01/2018
Australia	Accession	11/03/1986	11/03/1986
Austria	Signature	14/10/1975
Austria	Ratification	06/03/1980	06/03/1980
Belarus	Signature	30/06/1975
Belgium	Signature	19/03/1975
Belgium	Ratification	24/02/1977	24/02/1977
Brazil	Accession	17/03/2006	17/03/2006
Bulgaria	Signature	04/02/1976
Bulgaria	Ratification	11/05/1976	15/09/1976
Burundi	Signature	13/11/1975
Byelorussian Soviet Socialist Republic	Ratification	26/01/1978	26/01/1978
Canada	Signature	14/02/1975
Canada	Ratification	04/08/1976	15/09/1976
Chile	Accession	17/09/1981	17/09/1981
China	Accession	12/12/1988	12/12/1988
Colombia	Accession	10/01/2014	10/01/2014
Costa Rica	Accession	14/10/2010	14/10/2010
Cuba	Accession	10/04/1978	10/04/1978
Cyprus	Objection	21/06/2007
Cyprus	Accession	06/07/1978	06/07/1978
Czech Republic	Succession	22/02/1993	01/01/1993
Czechoslovakia	Signature	05/04/1976
Czechoslovakia	Ratification	26/07/1977	26/07/1977
Democratic People's Republic of Korea	Accession	10/03/2009	10/03/2009
Denmark	Signature	12/12/1975
Denmark	Ratification	01/04/1977	01/04/1977
European Organisation for the Exploitation of Meteorological Satellites	Declaration	10/07/1997
European Space Agency	Acceptance of obligations	02/01/1979
European Telecommunications Satellite Organization	Declaration	10/06/2014
Federal Republic of Germany	Ratification	16/10/1979	16/10/1979
Finland	Accession	15/01/2018	15/01/2018
France	Signature	14/01/1975
France	Ratification	17/12/1975	15/09/1976
German Democratic Republic	Ratification	12/05/1977	12/05/1977
Germany	Signature	02/03/1976
Greece	Accession	27/05/2003	27/05/2003
Hungary	Signature	13/10/1975
Hungary	Ratification	26/10/1977	26/10/1977
India	Accession	18/01/1982	18/01/1982
Indonesia	Accession	16/07/1997	16/07/1997
Intersputnik International Organization of Space Communications	Declaration	10/07/2018
Iran (Islamic Republic of)	Signature	27/05/1975
Italy	Accession	08/12/2005	08/12/2005
Japan	Accession	20/06/1983	20/06/1983
Kazakhstan	Accession	11/01/2001	11/01/2001
Kuwait	Accession	28/04/2014	28/04/2014
Lebanon	Accession	12/04/2006	12/04/2006
Libyan Arab Jamahiriya	Accession	08/01/2010	08/01/2010
Liechtenstein	Accession	26/02/1999	26/02/1999
Lithuania	Accession	08/03/2013	08/03/2013
Luxembourg	Accession	27/01/2021	27/01/2021
Mexico	Signature	19/12/1975
Mexico	Ratification	01/03/1977	01/03/1977
Mongolia	Signature	30/10/1975
Mongolia	Ratification	10/04/1985	10/04/1985
Montenegro	Succession	23/10/2006	03/06/2006
Morocco	Accession	19/09/2012	19/09/2012
Netherlands	Accession	26/01/1981	26/01/1981
New Zealand	Territorial exclusion	23/01/2018
New Zealand	Accession	23/01/2018	23/01/2018
Nicaragua	Signature	13/05/1975
Nicaragua	Ratification	11/07/2017	11/07/2017
Niger	Signature	05/08/1976
Niger	Ratification	22/12/1976	22/12/1976
Nigeria	Accession	06/07/2009	06/07/2009
Norway	Accession	28/06/1995	28/06/1995
Pakistan	Signature	01/12/1975
Pakistan	Ratification	27/02/1986	27/02/1986
Peru	Accession	21/03/1979	21/03/1979
Poland	Signature	04/12/1975
Poland	Ratification	22/11/1978	22/11/1978
Portugal	Accession	02/11/2018	02/11/2018
Qatar	Accession	14/03/2012	14/03/2012
Republic of Korea	Accession	14/10/1981	14/10/1981
Saudi Arabia	Accession	18/07/2012	18/07/2012
Seychelles	Accession	28/12/1977	28/12/1977
Singapore	Signature	31/08/1976
Slovakia	Succession	28/05/1993	01/01/1993
Slovenia	Succession	20/02/2019	25/06/1991
South Africa	Accession	27/01/2012	27/01/2012
Spain	Accession	20/12/1978	20/12/1978
St. Vincent and the Grenadines	Succession	27/04/1999	27/10/1979
Sweden	Signature	09/06/1976
Sweden	Ratification	09/06/1976	15/09/1976
Switzerland	Signature	14/04/1975
Switzerland	Ratification	15/02/1978	15/02/1978
Turkey	Accession	21/06/2006	21/06/2006
Ukrainian Soviet Socialist Republic	Signature	11/07/1975
Ukrainian Soviet Socialist Republic	Ratification	14/09/1977	14/09/1977
Union of Soviet Socialist Republics	Signature	17/06/1975
Union of Soviet Socialist Republics	Ratification	13/01/1978	13/01/1978
United Arab Emirates	Accession	07/11/2000	07/11/2000
United Kingdom of Great Britain and Northern Ireland	Territorial application	30/03/1978
United Kingdom of Great Britain and Northern Ireland	Signature	06/05/1975
United Kingdom of Great Britain and Northern Ireland	Ratification	30/03/1978	30/03/1978
United States of America	Signature	24/01/1975
United States of America	Ratification	15/09/1976	15/09/1976
Uruguay	Accession	18/08/1977	18/08/1977
Venezuela (Bolivarian Republic of)	Accession	03/11/2016	03/11/2016
Yugoslavia (Federal Republic of)	Succession	12/03/2001	27/04/1992
Yugoslavia (Socialist Federal Republic of)	Accession	24/02/1978	24/02/1978