Artikel 49

1. A Party may at the time of signature, ratification or accession reserve the right to permit temporarily in any one of its territories:
(a) The quasi-medical use of opium;
(b) Opium smoking;
(c) Coca leaf chewing;
(d) The use of cannabis, cannabis resin, extracts and tinctures of cannabis for non-medical purposes; and
(e) The production and manufacture of and trade in the drugs referred to under (a) to (d) for the purposes mentioned therein.
2. The reservations under paragraph 1 shall be subject to the following restrictions:
(a) The activities mentioned in paragraph 1 may be authorized only to the extent that they were traditional in the territories in respect of which the reservation is made, and were there permitted on 1 January 1961;
(b) No export of the drugs referred to in paragraph 1 for the purposes mentioned therein may be permitted to a non-party or to a territory to which this Convention does not apply under article 42;
(c) Only such persons may be permitted to smoke opium as were registered by the competent authorities to this effect on 1 January 1964;
(d) The quasi-medical use of opium must be abolished within 15 years from the coming into force of this Convention as provided in paragraph 1 of article 41;
(e) Coca leaf chewing must be abolished within twenty-five years from the coming into force of this Convention as provided in paragraph 1 of article 41;
(f) The use of cannabis for other than medical and scientific purposes must be discontinued as soon as possible but in any case within twenty-five years from the coming into force of this Convention as provided in paragraph 1 of article 41;
(g) The production and manufacture of and trade in the drugs referred to in paragraph 1 for any of the uses mentioned therein must be reduced and finally abolished simultaneously with the reduction and abolition of such uses.
3. A Party making a reservation under paragraph 1 shall:
(a) Include in the annual report to be furnished to the Secretary-General, in accordance with article 18, paragraph 1 (a), an account of the progress made in the preceding year towards the abolition of the use, production, manufacture or trade referred to under paragraph 1; and
(b) Furnish to the Board separate estimates (article 19) and statistical returns (article 20) in respect of the reserved activities in the manner and form prescribed by the Board.
4. (a) Party which makes a reservation under paragraph 1 fails to furnish: (i) The report referred to in paragraph 3 (a) within six months after the end of the year to which the information relates;
(ii) The estimates reffered to in paragraph 3 (b) within three months after the date fixed for that purpose by the Board in accordance with article 12, paragraph 1:
(iii) The statistics referred to in paragraph 3 (b) within three months after the date on which they are due in accordance with article 20, paragraph 2, the Board or the Secretary-General, as the case may be, shall send to the Party concerned a notification of the delay, and shall request such information within a period of three months after the receipt of that notification.
(i) The report referred to in paragraph 3 (a) within six months after the end of the year to which the information relates;
(ii) The estimates reffered to in paragraph 3 (b) within three months after the date fixed for that purpose by the Board in accordance with article 12, paragraph 1:
(iii) The statistics referred to in paragraph 3 (b) within three months after the date on which they are due in accordance with article 20, paragraph 2,
(b) If the Party fails to comply within this period with the request of the Board or the Secretary-General, the reservation in question made under paragraph 1 shall cease to be effective.
5. A State which has made reservations may at any time by notification in writing withdraw all or part of its reservations.