CountryActionAction DateEffective Date
AUSTRIASignature25/10/1952
AUSTRIARatification12/04/1955
BELGIUMSignature25/10/1952
BELGIUMRatification29/04/1955
BULGARIASignature25/10/1952
BULGARIARatification25/02/1955
CZECHOSLOVAKIASignature25/10/1952
CZECHOSLOVAKIARatification30/07/1954
DENMARKSignature25/10/1952
DENMARKRatification05/07/1954
FINLANDSignature25/10/1952
FINLANDRatification16/05/1956
FRANCESignature25/10/1952
FRANCERatification04/03/1955
GREECESignature25/10/1952
GREECERatification15/01/1956
HUNGARYSignature25/10/1952
HUNGARYRatification03/12/1954
ITALYSignature25/10/1952
ITALYRatification09/11/1955
LEBANONSignature25/10/1952
LEBANONRatification22/04/1958
LIECHTENSTEINSignature25/10/1952
LIECHTENSTEINRatification30/11/1954
LUXEMBOURGSignature25/10/1952
LUXEMBOURGRatification12/01/1955
NETHERLANDS THESignature25/10/1952
NETHERLANDS THERatification08/11/1954
NORWAYSignature25/10/1952
NORWAYRatification13/01/1955
POLANDSignature25/10/1952
POLANDRatification06/06/1955
PORTUGALSignature25/10/1952
PORTUGALRatification30/01/1956
ROUMANIASignature25/10/1952
ROUMANIARatification24/11/1954
SAAR TERRITORYAccession17/01/1956
SPAINSignature25/10/1952
SPAINRatification28/06/1954
SWEDENSignature25/10/1952
SWEDENRatification15/01/1955
SWITZERLANDSignature25/10/1952
SWITZERLANDRatification21/04/1956
TURKEYSignature25/10/1952
TURKEYRatification11/12/1956
UNITED KINGDOMSignature25/10/1952
UNITED KINGDOMRatification15/06/1954
YUGOSLAVIASignature25/10/1952
YUGOSLAVIARatification18/01/1956