CountryActionAction DateEffective Date
AustraliaAccession10/10/1928
BahamasAccession23/08/1925
BarbadosAccession23/08/1925
BasutolandAccession07/09/193101/01/1900
BechuanalandAccession07/09/193101/01/1900
Belgian CongoAccession01/04/1926
BELGIUM
BermudaAccession23/08/1925
British GuianaAccession23/08/1925
British HondurasAccession23/08/1925
CanadaAccession17/12/1928
CeylonAccession23/08/1925
Channel IslandsAccession19/04/1935
CyprusAccession23/08/1925
Falkland IslandsAccession23/08/1925
FijiAccession23/08/1925
GibraltarAccession23/08/1925
Gold CoastAccession23/08/1925
GRENADAAccession23/08/1925
Hong KongAccession30/08/1925
Isle of ManAccession19/04/1935
JamaicaAccession23/08/1925
KenyaAccession23/08/1925
Leeward IslandsAccession23/08/1925
Malay States, FederatedAccession23/08/1925
Malay States, UnfederatedAccession23/08/1925
MaltaAccession23/08/1925
MauritiusAccession23/08/1925
New ZealandAccession01/01/1934
Newfoundland (UK)Accession04/03/1925
NigeriaAccession23/08/1925
North BorneoAccession05/04/1931
Northern IrelandAccession15/10/1924
Northern RhodesiaAccession23/08/1925
PalestineAccession13/03/1925
Ruanda UrundiAccession01/12/1928
SarawakAccession19/06/1931
ScotlandAccession03/11/1930
Sierra LeoneAccession23/08/1925
Somaliland ProtectorateAccession23/08/1923
Southern RhodesiaAccession25/03/1925
St HelenaAccession20/09/1925
St LuciaAccession23/08/1925
St VincentAccession23/08/1925
Straits SettlementsAccession23/08/1923
SwazilandAccession07/09/193101/01/1900
TanganyikaAccession23/08/1925
The GambiaAccession23/08/1925
TogolandAccession23/08/192501/01/1900
Trinidad And TobagoAccession23/08/1925
Turks And Caicos IslandsAccession23/08/1925
UgandaAccession23/08/1925
UNITED KINGDOMSignature21/06/1922
UNITED KINGDOMRatification21/01/1924
Western Pacific High Commsn TerritoriesAccession23/08/1925
ZanzibarAccession23/08/1925