Country	Action	Action Date	Effective Date
ARGENTINA	Signature	14/04/1975
ARGENTINA	Provisional application	14/04/1975
ARGENTINA	Ratification	12/10/1976
AUSTRALIA	Signature	11/04/1975
AUSTRALIA	Ratification	13/06/1975
BELGIUM	Provisional application	18/06/1975
BELGIUM	Accession	07/10/1977
Berlin West	Extension	15/09/1976
CANADA	Signature	14/04/1975
CANADA	Ratification	18/06/1975
DENMARK	Accession	18/06/1975
EUROPEAN ECONOMIC COMMUNITY	Provisional application	18/06/1975
FINLAND	Signature	11/04/1975
FINLAND	Provisional application	16/06/1975
FINLAND	Ratification	23/01/1976
FRANCE	Provisional application	18/06/1975
FRANCE	Accession	30/06/1976
GERMANY FEDERAL REPUBLIC	Provisional application	18/06/1975
GERMANY FEDERAL REPUBLIC	Accession	15/09/1975
GERMANY FEDERAL REPUBLIC	Declaration	15/09/1976
IRELAND, REPUBLIC OF	Provisional application	18/06/1975
IRELAND, REPUBLIC OF	Accession	24/06/1976
ITALY	Provisional application	18/06/1975
ITALY	Accession	03/04/1978
JAPAN	Signature	11/04/1975
JAPAN	Reservation	11/04/1975
JAPAN	Communication	18/04/1975
JAPAN	Provisional application	18/06/1975
JAPAN	Understanding	18/06/1975
JAPAN	Acceptance	20/02/1976
JAPAN	Reservation	20/02/1976
LUXEMBOURG	Provisional application	18/06/1975
LUXEMBOURG	Accession	05/01/1976
NETHERLANDS THE	Provisional application	18/06/1975
NETHERLANDS THE	Ratification	18/06/1975
SWEDEN	Signature	14/04/1975
SWEDEN	Ratification	16/06/1975
SWITZERLAND	Signature	14/04/1975
SWITZERLAND	Statement	14/04/1975
SWITZERLAND	Provisional application	12/06/1975
SWITZERLAND	Ratification	23/09/1975
UNITED KINGDOM	Accession	18/06/1975
UNITED STATES OF AMERICA	Signature	10/04/1975
UNITED STATES OF AMERICA	Statement	10/04/1975
UNITED STATES OF AMERICA	Provisional application	18/06/1975
UNITED STATES OF AMERICA	Ratification	05/01/1976