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VIII. Each State shall furnish the Committee with a complete atatement in advance of its estimated annual, production and requirements of opium and coca leaves and all dorivatives and preparations thereof, and at the close of cach calendar year shall furnish to the Committee a complete statement of its imports, exports, production and manufacture for such year.
IX. Any shipment of opium or coca leaves or any derivative or preparation of either coming within the purview of the International Opium Convention whose export and import has not been duly authorised as provided herein, shall be liable to seizure and con- fiscation by any State which, is a party hereto. chipsents of this character shall be permitted upon No the vessels, railwaye, or other common carriers under the jurisdiction of the States parties hereto.
X.
In case any State not now mentioned in Annex II, III, IV, or V desires to be included therein, it shall notify and negotiate with the Committee and the other States mentioned in the Annex concerned, with a view to concluding an agreement as to its participa- tion in the manufacture or production involved.
XI. Other drugs alleged to be dangerous may be brought within the scope of this agreement upon the consent of the States which are Parties hereto.
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