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Convention on the prohibition of the development, production, stockpiling and use of chemical weapons and on their destruction, Paris 13 January 1993
1. The provisions of this Article and the detailed procedures for its
implementation shall apply to all chemical weapons owned or possessed by a
State Party, or that are located in any place under its jurisdiction or
control, except old chemical weapons and abandoned chemical weapons to which
Part IV (B) of the Verification Annex applies.
2. Detailed procedures for the implementation of this Article are set forth in
the Verification Annex.
3. All locations at which chemical weapons specified in paragraph 1 are stored
or destroyed shall be subject to systematic verification through on-site
inspection and monitoring with on-site instruments, in accordance with Part IV
(A) of the Verification Annex.
4. Each State Party shall, immediately after the declaration under Article
III, paragraph 1 (a), has been submitted, provide access to chemical weapons
specified in paragraph 1 for the purpose of systematic verification of the
declaration through on-site inspection. Thereafter, each State Party shall not
remove any of these chemical weapons, except to a chemical weapons destruction
facility. It shall provide access to such chemical weapons, for the purpose of
systematic on-site verification.
5. Each State Party shall provide access to any chemical weapons destruction
facilities and their storage areas, that it owns or possesses, or that are
located in any place under its jurisdiction or control, for the purpose of
systematic verification through on-site inspection and monitoring with on-site
6. Each State Party shall destroy all chemical weapons specified in paragraph
1 pursuant to the Verification Annex and in accordance with the agreed rate
and sequence of destruction (hereinafter referred to as "order of
destruction"). Such destruction shall begin not later than two years after
this Convention enters into force for it and shall finish not later than 10
years after entry into force of this Convention. A State Party is not
precluded from destroying such chemical weapons at a faster rate.
7. Each State Party shall:
(a) Submit detailed plans for the destruction of chemical weapons specified
in paragraph 1 not later than 60 days before each annual destruction period
begins, in accordance with Part IV (A), paragraph 29, of the Verification
Annex; the detailed plans shall encompass all stocks to be destroyed during
the next annual destruction period;
(b) Submit declarations annually regarding the implementation of its plans
for destruction of chemical weapons specified in paragraph 1, not later than
60 days after the end of each annual destruction period; and
(c) Certify, not later than 30 days after the destruction process has been
completed, that all chemical weapons specified in paragraph 1 have been
8. If a State ratifies or accedes to this Convention after the 10-year period
for destruction set forth in paragraph 6, it shall destroy chemical weapons
specified in paragraph 1 as soon as possible. The order of destruction and
procedures for stringent verification for such a State Party shall be
determined by the Executive Council.
9. Any chemical weapons discovered by a State Party after the initial
declaration of chemical weapons shall be reported, secured and destroyed in
accordance with Part IV (A) of the Verification Annex.
10. Each State Party, during transportation, sampling, storage and destruction
of chemical weapons, shall assign the highest priority to ensuring the safety
of people and to protecting the environment. Each State Party shall transport,
sample, store and destroy chemical weapons in accordance with its national
standards for safety and emissions.
11. Any State Party which has on its territory chemical weapons that are owned
or possessed by another State, or that are located in any place under the
jurisdiction or control of another State, shall make the fullest efforts to
ensure that these chemical weapons are removed from its territory not later
than one year after this Convention enters into force for it. If they are not
removed within one year, the State Party may request the Organization and
other States Parties to provide assistance in the destruction of these
12. Each State Party undertakes to cooperate with other States Parties that
request information or assistance on a bilateral basis or through the
Technical Secretariat regarding methods and technologies for the safe and
efficient destruction of chemical weapons.
13. In carrying out verification activities pursuant to this Article and Part
IV (A) of the Verification Annex, the Organization shall consider measures to
avoid unnecessary duplication of bilateral or multilateral agreements on
verification of chemical weapons storage and their destruction among States
To this end, the Executive Council shall decide to limit verification to
measures complementary to those undertaken pursuant to such a bilateral or
multilateral agreement, if it considers that:
(a) Verification provisions of such an agreement are consistent with the
verification provisions of this Article and Part IV (A) of the Verification
(b) Implementation of such an agreement provides for sufficient assurance of
compliance with the relevant provisions of this Convention; and
(c) Parties to the bilateral or multilateral agreement keep the Organization
fully informed about their verification activities.
14. If the Executive Council takes a decision pursuant to paragraph 13, the
Organization shall have the right to monitor the implementation of the
bilateral or multilateral agreement.
15. Nothing in paragraphs 13 and 14 shall affect the obligation of a State
Party to provide declarations pursuant to Article III, this Article and Part
IV (A) of the Verification Annex.
16. Each State Party shall meet the costs of destruction of chemical weapons
it is obliged to destroy. It shall also meet the costs of verification of
storage and destruction of these chemical weapons unless the Executive Council
decides otherwise. If the Executive Council decides to limit verification
measures of the Organization pursuant to paragraph 13, the costs of
complementary verification and monitoring by the Organization shall be paid in
accordance with the United Nations scale of assessment, as specified in
Article VIII, paragraph 7.
17. The provisions of this Article and the relevant provisions of Part IV of
the Verification Annex shall not, at the discretion of a State Party, apply to
chemical weapons buried on its territory before 1 January 1977 and which
remain buried, or which had been dumped at sea before 1 January 1985.