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ARTICLE 19: ESTIMATES OF DRUG REQUIREMENTS
1. The Parties shall furnish to the Board each year for each of their territories, in the manner and form prescribed by the Board, estimates on forms supplied by it in respect of the following matters:
(a) Quantities of drugs to be consumed for medical and scientific purposes;
(b) Quantities of drugs to be utilized for the manufacture of other drugs, of preparations in Schedule III, and of substances not covered by this Convention;
(c) Stocks of drugs to be held as at 31 December of the year to which the estimates relate;
(d) Quantities of drugs necessary for addition to special stocks;
(e) The area (in hectares) and the geographical location of land to be used for the cultivation of the opium poppy;
(f) Approximate quantity of opium to be produced;
(g) The number of industrial establishments which will manufacture synthetic drugs; and
(h) The quantities of synthetic drugs to be manufactured by each of the establishments referred to in the preceding subparagraph.
2.
(a) Subject to the deductions referred to in paragraph 3 of article 21, the total of the estimates for each territory and each drug except opium and synthetic drugs shall consist of the sum of the amounts specified under subparagraphs (a), (b) and (d) of paragraph 1 of this article, with the addition of any amount required to bring the actual stocks on hand at 31 December of the preceding year to the level estimated as provided in subparagraph (c) of paragraph 1.
(b) Subject to the deductions referred to in paragraph 3 of article 21 regarding imports and in paragraph 2 of article 21bis, the total of the estimates for opium for each territory shall consist either of the sum of the amounts specified under subparagraphs (a), (b) and (d) of paragraph 1 of this article, with the addition of any amount required to bring the actual stocks on hand at December of the preceding year to the level estimated as provided in subparagraph(c) of paragraph 1, or of the amount specified under subparagraph (f) of paragraph 1 of this article, whichever is higher.
(c) Subject to the deductions referred to in paragraph 3 of article 21, the total of the estimates for each territory for each synthetic drug shall consist either of the sum of the amounts specified under subparagraphs (a), (b) and (d) of paragraph 1 of this article, with the addition of any amount required to bring the actual stocks on hand at 31 December of the preceding year to the level estimated as provided in subparagraph (c) of paragraph 1, or of the sum of the amounts specified under subparagraph (h) of paragraph 1 of this article, whichever is higher.
(d) The estimates furnished under the preceding subparagraphs of this paragraph shall be appropriately modified to take into account any quantity seized and thereafter released for licit use as well as any quantity taken from special stocks for the requirements of the civilian population.
3. Any State may during the year furnish supplementary estimates with an explanation of the circumstances necessitating such estimates.
4. The Parties shall inform the Board of the method used for determining quantities shown in the estimates and of any changes in the said method.
5. Subject to the deductions referred to in paragraph 3 of article 21, and account being taken where appropriate of the provisions of article 21bis, the estimates shall not be exceeded.