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CHEMICAL WEAPONS
    ARTICLE IV

    CHEMICAL WEAPONS

    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
    instruments.

    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
    destroyed.

    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
    chemical weapons.

    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
    Parties.

    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
    Annex;

    (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.


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