CountryActionAction DateEffective Date
BRITISH EMPIRESignature24/07/1923
BRITISH EMPIRERatification06/08/1924
FRANCESignature24/07/1923
FRANCERatification30/08/1924
GREECESignature24/07/1923
GREECERatification11/02/1924
ITALYSignature24/07/1923
ITALYRatification06/08/1924
JAPANSignature24/07/1923
JAPANRatification06/08/1924
JAPANDeclaration08/09/1951
ROUMANIASignature24/07/1923
ROUMANIARatification01/10/1928
TURKEYSignature24/07/1923
TURKEYRatification31/03/1924
UNITED KINGDOMSignature24/07/1923
UNITED KINGDOMRatification06/08/1924