2. Each Party shall, with due regard to its constitutional provisions, prohibit the advertisement of such substances to the general public.
ARTICLE 11
Records
1. The Parties shall require that, in respect of substances in Schedule I, manufacturers and all other persons authorized under article 7 to trade in and distribute those substances keep records, as may be determined by each Party, showing details of the quantities manufactured, the quantities held in stock, and, for each acquisition and disposal, details of the quantity, date, supplier and recipient.
2. The Parties shall require that, in respect of substances in Schedules II and III, manufacturers, wholesale distributors, exporters and importers keep records, as may be determined by each Party, showing details of the quantities manufactured and, for each acquisition and disposal, details of the quantity, date, supplier and recipient.
3. The Parties shall require that, in respect of substances in Schedule II, retail distributors, institutions for hospitalization and care and scientific institutions keep records, as may be determined by each Party, showing, for each acquisition and disposal, details of the quantity, date, supplier and recipient.
4. The Parties shall ensure, through appropriate methods and taking into account the professional and trade practices in their countries, that information regarding acquisition and disposal of substances in Schedule III by retail distributors, institutions for hospitalization and care and scientific institutions is readily available.
5. The Parties shall require that, in respect of substances in Schedule IV, manufacturers, exporters and importers keep records, as may be determined by each Party, showing the quantities manufactured, exported and imported.
6. The Parties shall require manufacturers of preparations exempted under paragraph 3 of article 3 to keep records as to the quantity of each psychotropic substance used in the manufacture of an exempt preparation, and as to the nature, total quantity and initial disposal of the exempt preparation manufactured therefrom.
7. The Parties shall ensure that the records and information referred to in this article which are required for purposes of reports under article 16 shall be preserved for at least two years,
ARTICLE 12
Provisions relating to international trade
1. (a) Every Party permitting the export or import of substances in Schedule I or II shall require a separate import or export authorization, on a form to be established by the Commission, to be obtained for each such export or import whether it consists of one or more substances.
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