Country	Action	Action Date	Effective Date
AUSTRIA	Signature	11/04/1953
AUSTRIA	Ratification	12/04/1955
BELGIUM	Signature	11/04/1954
BELGIUM	Ratification	29/04/1955
BULGARIA	Signature	11/04/1953
BULGARIA	Ratification	15/02/1955
CZECHOSLOVAKIA	Signature	11/04/1953
CZECHOSLOVAKIA	Ratification	30/07/1954
DENMARK	Signature	11/04/1953
DENMARK	Ratification	16/09/1954
FINLAND	Signature	11/04/1953
FINLAND	Ratification	16/05/1956
FRANCE	Signature	11/04/1953
FRANCE	Ratification	04/03/1955
GREECE	Signature	15/05/1953
GREECE	Ratification	15/01/1956
HUNGARY	Signature	11/04/1954
HUNGARY	Ratification	03/12/1954
ITALY	Signature	11/04/1953
ITALY	Ratification	09/11/1955
LEBANON	Signature	01/06/1953
LIECHTENSTEIN	Signature	11/04/1953
LIECHTENSTEIN	Ratification	30/11/1954
LUXEMBOURG	Signature	11/05/1953
LUXEMBOURG	Ratification	12/01/1955
NETHERLANDS THE	Signature	11/04/1953
NETHERLANDS THE	Ratification	30/11/1954
NORWAY	Signature	11/04/1953
NORWAY	Ratification	13/01/1955
POLAND	Signature	11/04/1953
POLAND	Ratification	06/06/1955
PORTUGAL	Signature	30/05/1953
PORTUGAL	Ratification	30/01/1956
ROMANIA	Signature	11/04/1953
ROMANIA	Ratification	24/11/1954
SAAR TERRITORY	Accession	17/01/1956
SPAIN	Signature	05/05/1953
SPAIN	Ratification	28/10/1954
SWEDEN	Signature	11/04/1953
SWEDEN	Ratification	15/01/1955
SWITZERLAND	Signature	11/04/1953
SWITZERLAND	Ratification	21/04/1954
TURKEY	Signature	01/06/1953
TURKEY	Ratification	11/12/1956
UNITED KINGDOM	Signature	11/04/1953
UNITED KINGDOM	Ratification	15/06/1954
YUGOSLAVIA	Signature	11/04/1953
YUGOSLAVIA	Ratification	18/01/1956