Fourth Protocol to the Convention relating to the Unification of Excise Duties and
of Fees for the Warranty of Articles of Precious Metals between the Kingdom of the
Netherlands, the Kingdom of Belgium and the Grand Duchy of Luxembourg, signed at The
Hague on 18 February 1950
RatificationS=Signature without reservation or requirement of ratification R=Ratification, Acceptance,
Approval or Notification A=Accession Su=Succession NK=Not Known