CountryActionAction DateEffective Date
ALBANIARatification03/06/1957
ALGERIARatification19/10/1962
AnguillaExtension27/03/1950
ARGENTINARatification17/02/1955
AUSTRALIANotification15/06/197301/01/1900
AZERBAIJANRatification19/05/1992
BELGIUMRatification10/04/197910/04/1980
BermudaExtension27/03/1950
BOLIVIARatification15/11/197315/11/1974
British Virgin IslandsExtension27/03/1950
BULGARIARatification29/12/1949
BYELORUSSIA S S RRatification06/11/1956
CAMEROONRatification25/05/1970
COMOROSSuccession23/10/1978
CUBARatification13/01/1954
CZECH REPUBLICSuccession01/01/199301/01/1993
CZECHOSLOVAKIARatification23/04/198023/04/1981
DJIBOUTISuccession03/08/197803/08/1978
DOMINICAN REPUBLICRatification19/06/1973
ECUADORRatification18/07/1975
EL SALVADORRatification15/06/1995
Falkland IslandsExtension27/03/1950
FRANCERatification28/06/1951
French Overseas TerritoriesExtension27/11/1974
GERMAN DEMOCRATIC REPUBLICRatification19/06/197919/06/1980
GibraltarExtension27/03/1950
GREECERatification28/08/198128/08/1982
GUATEMALARatification13/02/1952
HAITIRatification12/04/1957
Hong KongExtension27/03/1950
HUNGARYRatification08/06/1956
IRAQRatification13/01/1951
ISRAELRatification23/12/1953
ITALYRatification22/10/1952
KYRGYZSTANSuccession31/03/199231/03/1992
LEBANONRatification01/06/197701/06/1978
LUXEMBOURGRatification03/03/1958
MALTARatification18/05/1990
MontserratExtension27/03/1950
NICARAGUARatification01/03/1976
PANAMARatification15/07/1971
PARAGUAYRatification21/03/1966
PERURatification04/04/1962
PHILIPPINESRatification17/11/1960
POLANDRatification11/12/1947
PORTUGALRatification23/05/198323/05/1984
SLOVAK REPUBLICSuccession01/01/199301/01/1993
SOVIET UNIONRatification10/08/1956
SPAINRatification05/05/1971
St HelenaExtension27/03/1950
TAJIKISTANSuccession26/11/199326/11/1993
TUNISIARatification14/04/1970
TURKEYRatification02/11/198402/11/1985
UKRAINERatification14/09/1956
URUGUAYRatification18/03/1954