1. A Party may notify all the other Parties through the Secretary-General that it prohibits the import into its country or into one of its regions of one or more substances in Schedule II, III or IV, specified in its notification. Any such notification shall specify the name of the substance as designated in Schedule II, III or IV.

2. If a Party has been notified of a prohibition pursuant to paragraph 1, it shall take measures to ensure that none of the. substances specified in the notification is exported to the country or one of the regions of the notifying Party.

3. Notwithstanding the provisions of the preceding paragraphs, a Part which has given notification pursuant to paragraph 1 may authorize by special import licence in each case the import of specified quantities of the substance in question or preparations containing such substances. The issuing authority of the importing country shall send two copies of the special import licence indicating the name and address of the importer and the exporter, to the competent authority of the exporting country or region, which may the authorize the exporter to make the shipment. One copy of the special import licence, duly endorsed by the competent authority of the exporting country or region, shall accompany the shipment.