Signature and ratification by the Byelorussian Soviet Socialist Republic.
Accession made by Upper Volta.
Signature and ratification made by Democratic Kampuchea.
Accession made by Congo (Leopoldville).
Dates refer to the Federal Republic of Germany. German Democratic Republic: Accession: January 16, 1974; Entry into force: April 16, 1974.
Accession made by the Vatican City State.
Accession made by the Federation of Malaya.
Signature, ratification and declaration made by the Union of Soviet Socialist Republics.
Signature, ratification and declaration made by the Ukrainian Soviet Socialist Republic.