CountryActionAction DateEffective Date
BELGIUMSignature29/10/1956
FRANCESignature29/10/1956
ITALYSignature29/10/1956
MOROCCOSignature29/10/1956
NETHERLANDS THESignature29/10/1956
PORTUGALSignature29/10/1956
SPAINSignature29/10/1956
SWEDENAccession05/12/1956
UNITED KINGDOMSignature29/10/1956
UNITED STATES OF AMERICASignature29/10/1956