Division 1

This amendment shall enter into force on 1 January 1992, provided that at least 20 instruments of ratification, acceptance or approval of the amendment have been deposited by States or regional economic integration organizations that are Parties to the Montreal Protocol on substances that deplete the ozone layer. In the event that this condition has not been fulfilled by that date, the amendment shall enter into force on the 90th day following the data on which it has been fulfilled.