CountryActionAction DateEffective Date
BELGIUMSignature10/06/1921
FRANCESignature10/06/1921
GERMANYSignature10/06/1921
GREECESignature10/06/1921
ITALYAccession07/09/1921
SIAMSignature10/06/1921
UNITED KINGDOMSignature10/06/1921