This Convention shall, when instruments of ratification have been deposited by at least six signatory Governments, which shall include the Governments of the Netherlands, Norway, the Union of Soviet Socialist Republics, the United Kingdom of Great Britain and Northern Ireland, and the United States of America, enter into force with respect to those Governments and shall enter into force with respect to each Government which subsequently ratifies or adheres on the date of the deposit of its instrument of ratification or the receipt of its notification of adherence.
Konvencija začne veljati, ko listine o ratifikaciji deponira vsaj šest vlad podpisnic, med njimi vlade Nizozemske, Norveške, Zveze sovjetskih socialističnih republik, Združenega kraljestva Velika Britanija in Severna Irska ter Združenih držav Amerike, za te vlade, za druge vlade, ki pozneje ratificirajo ali pristopijo h konvenciji, pa začne veljati na dan deponiranja listine o ratifikaciji ali na dan prejema njihovega uradnega obvestila o pristopu.