Article 3
1.Member States, which have not already done so, shall take, at the latest by 31 October 1988, the necessary steps to permit the deposit, as far as possible simultaneously, of the instruments of ratification, acceptance, approval or accession to the Vienna Convention by the Community and the Member States.
Member States will inform the Commission, as soon as possible, of their decision to accede to or to ratify the Convention, as appropriate, or of the prospective date of finalization of those procedures. The Commission, in cooperation with Member States, shall arrange a date for the simultaneous deposit of the instruments, which shall in any case be before 1 January 1989.
2.Member States shall take the necessary steps to permit the deposit, as far as possible simultaneously, before 1 January 1989, of the instruments of ratification, acceptance or approval of the Montreal Protocol by the Community and the Member States.
Member States will inform the Commission, before 1 November 1988, of their decision to ratify or of the prospective date of finalization of their ratification procedures. The Commission, in cooperation with Member States, shall arrange a date for the simultaneous deposit of the instruments which shall in any case be before 1 January 1989.