CountryActionAction DateEffective Date
Aden ColonyExtension23/06/1960
ALBANIASignature03/10/1957
AlgeriaExtension08/05/1959
AntillesExtension27/08/1959
ARGENTINE REPUBLICSignature03/10/1957
ARGENTINE REPUBLICRatification15/04/1959
AUSTRIASignature03/10/1957
AUSTRIARatification04/05/1959
Belgian CongoExtension05/03/1959
BELGIUMSignature03/10/1957
BELGIUMRatification05/03/1959
BermudaExtension23/06/1960
BOLIVIASignature03/10/1957
BRAZILSignature03/10/1957
BRAZILRatification26/01/1965
British GuianaExtension23/06/1960
British HondurasExtension23/06/1960
British Virgin IslandsExtension23/06/1960
BruneiExtension23/06/1960
BULGARIASignature03/10/1957
BULGARIARatification13/05/1959
BURMASignature03/10/1957
BURMARatification16/06/1961
BURUNDIAccession06/04/1963
BYELORUSSIA S S RSignature03/10/1957
BYELORUSSIA S S RRatification23/04/1959
CAMBODIASignature03/10/1957
CAMBODIARatification12/01/1960
CAMEROONAccession26/06/1961
CENTRAL AFRICAN REPUBLICAccession21/08/1961
CEYLONSignature03/10/1957
CEYLONRatification16/11/1959
CHADAccession23/06/1961
Channel IslandsExtension17/07/1959
CHILESignature03/10/1957
COLOMBIASignature03/10/1957
COLOMBIARatification05/04/1963
Comoro IslandsExtension08/05/1959
CONGOAccession05/07/1961
Cook IslandsExtension06/04/1959
CUBASignature03/10/1957
CyprusExtension23/06/1960
CYPRUSAccession09/07/1962
CZECHOSLOVAKIASignature03/10/1957
CZECHOSLOVAKIARatification13/08/1959
DAHOMEYAccession27/04/1961
DANZIGSignature03/10/1957
DANZIGRatification13/08/1958
DOMINICAN REPUBLICSignature03/10/1957
DOMINICAN REPUBLICRatification28/12/1962
EGYPTSignature03/10/1957
EGYPTRatification15/01/1959
Falkland Island DependenciesExtension23/06/1960
FijiExtension23/06/1960
FINLANDSignature03/10/1957
FRANCESignature03/10/1957
FRANCERatification08/05/1959
French CameroonsExtension08/05/1959
French O/seas Postal & Telecom Office Terr.Extension08/05/1959
French PolynesiaExtension08/05/1959
French SomalilandExtension08/05/1959
French TogolandExtension08/05/1959
GABONAccession17/07/1961
GERMANY FEDERAL REPUBLICSignature03/10/1957
GERMANY FEDERAL REPUBLICRatification30/08/1960
GHANAAccession24/10/1960
GibraltarExtension23/06/1960
GREECESignature03/10/1957
GREECERatification02/10/1959
GUINEAAccession06/08/1959
HAITISignature03/10/1957
HONDURASSignature03/10/1957
Hong KongExtension23/06/1960
HUNGARYSignature03/10/1957
HUNGARYRatification05/04/1960
ICELANDSignature03/10/1957
ICELANDRatification27/11/1958
INDIASignature03/10/1957
INDIARatification21/12/1959
INDONESIASignature03/10/1957
INDONESIARatification30/11/1961
IRANSignature03/10/1957
IRANRatification09/10/1964
IRAQSignature03/10/1957
IRAQRatification18/01/1960
IRELAND, REPUBLIC OFSignature03/10/1957
IRELAND, REPUBLIC OFRatification19/06/1961
Isle of ManExtension17/07/1959
ITALYSignature03/10/1957
ITALYRatification09/06/1960
IVORY COASTAccession23/05/1961
JAMAICAAccession29/08/1963
JAPANSignature03/10/1957
JAPANRatification07/11/1958
JORDANSignature03/10/1957
JORDANRatification02/03/1959
KenyaExtension23/06/1960
KENYAAccession27/10/1964
KUWAITAccession07/06/1960
Land BerlinExtension30/08/1960
LAOSSignature03/10/1957
LAOSRatification24/01/1964
LEBANONSignature03/10/1957
LEBANONRatification23/07/1958
LIBYASignature03/10/1957
LIECHTENSTEINAccession13/04/1962
LUXEMBOURGSignature03/10/1957
LUXEMBOURGRatification13/01/1960
MALAGASY REPUBLICAccession02/11/1961
MALAYAAccession13/03/1959
MALIAccession18/08/1961
MaltaExtension23/06/1960
MALTAAccession21/05/1965
MauritiusExtension23/06/1960
MONACOSignature03/10/1957
MONACORatification02/09/1959
MONGOLIAAccession24/08/1963
MOROCCOSignature03/10/1957
MOROCCORatification09/07/1959
NETHERLANDS THESignature03/10/1957
NETHERLANDS THERatification27/08/1959
New Caledonia And DependencesExtension08/05/1959
New GuineaExtension27/08/1959
NEW ZEALANDSignature03/10/1957
NEW ZEALANDRatification06/04/1959
NICARAGUASignature03/10/1957
NICARAGUARatification05/12/1961
NIGERAccession12/06/1961
NigeriaExtension23/06/1960
NIGERIAAccession30/08/1961
Niue IslandExtension06/04/1959
North BorneoExtension23/06/1960
NORWAYSignature03/10/1957
NORWAYRatification19/08/1958
PAKISTANSignature03/10/1957
PAKISTANRatification08/10/1959
PARAGUAYSignature03/10/1957
POLANDSignature03/10/1957
POLANDRatification23/02/1961
PORTUGALSignature03/10/1957
PORTUGALRatification12/07/1961
Portugal, Provinces In West AfricaSignature03/10/1957
Portugal, Provinces In West AfricaRatification12/07/1961
Provs in E.Africa, Asia and OceaniaSignature03/10/1957
Provs in E.Africa, Asia and OceaniaRatification12/07/1961
ROUMANIASignature03/10/1957
ROUMANIARatification25/10/1964
Ruanda UrundiExtension05/03/1959
RWANDAAccession06/04/1963
SALVADORSignature03/10/1957
SALVADORRatification01/11/1961
SAN MARINOSignature03/10/1957
SAN MARINORatification31/03/1959
SarawakExtension23/06/1960
SAUDI ARABIASignature03/10/1957
SAUDI ARABIARatification06/03/1961
SENEGALAccession14/06/1961
SeychellesExtension23/06/1960
Sierra LeoneExtension23/06/1960
SIERRA LEONEAccession15/05/1964
SingaporeExtension23/06/1960
SOMALIASignature03/10/1957
SOMALIARatification16/11/1960
Somaliland ProtectorateExtension23/06/1960
SOVIET UNIONSignature03/10/1957
SOVIET UNIONRatification23/04/1959
SPAINSignature03/10/1957
SPAINRatification29/07/1959
Spain, Territories In AfricaExtension29/07/1959
St HelenaExtension23/06/1960
St Pierre and MiquelonExtension08/05/1959
SurinamExtension27/08/1959
SWEDENSignature03/10/1957
SWEDENRatification02/05/1958
SWITZERLANDSignature03/10/1957
SWITZERLANDRatification14/11/1958
SYRIASignature03/10/1957
TAIWANSignature03/10/1957
TAIWANRatification06/10/1959
TanganyikaExtension23/06/1960
TANGANYIKAAccession29/03/1963
THAILANDSignature03/10/1957
THAILANDRatification21/07/1960
The GambiaExtension23/06/1960
TOGOAccession21/03/1962
Tokelau IslandsExtension06/04/1959
TongaExtension23/06/1960
TRINIDAD AND TOBAGOAccession15/06/1963
TUNISIASignature03/10/1957
TURKEYSignature03/10/1957
TURKEYRatification14/07/1961
UgandaExtension23/06/1960
UGANDAAccession07/08/1964
UKRAINESignature03/10/1957
UKRAINERatification05/05/1959
UNITED KINGDOMSignature03/10/1957
UNITED KINGDOMRatification17/07/1959
UPPER VOLTAAccession29/03/1963
URUGUAYSignature03/10/1957
VATICAN CITYSignature03/10/1957
VATICAN CITYRatification13/04/1960
VENEZUELASignature03/10/1957
VIETNAMSignature03/10/1957
VIETNAMRatification03/12/1959
West IndiesExtension23/06/1960
Western SamoaExtension06/04/1959
YEMENAccession03/04/1959
YUGOSLAVIASignature03/10/1957
YUGOSLAVIARatification15/04/1959
ZanzibarExtension23/06/1960