Part IV(B)
Old Chemical Weapons and Abandoned Chemical Weapons

A. General

  1. Old chemical weapons shall be destroyed as provided for in Section B.
  2. Abandoned chemical weapons, including those which also meet the definition of Article II, paragraph 5 (b), shall be destroyed as provided for in Section C.

B. Regime for Old Chemical Weapons

  1. A State Party which has on its territory old chemical weapons as defined in Article II, paragraph 5 (a), shall, not later than 30 days after this Convention enters into force for it, submit to the Technical Secretariat all available relevant information, including, to the extent possible, the location, type, quantity and the present condition of these old chemical weapons.

    In the case of old chemical weapons as defined in Article II, paragraph 5 (b), the State Party shall submit to the Technical Secretariat a declaration pursuant to Article III, paragraph 1 (b) (i), including, to the extent possible, the information specified in Part IV (A), paragraphs 1 to 3, of this Annex.

  2. A State Party which discovers old chemical weapons after this Convention enters into force for it shall submit to the Technical Secretariat the information specified in paragraph 3 not later than 180 days after the discovery of the old chemical weapons.
  3. The Technical Secretariat shall conduct an initial inspection, and any further inspections as may be necessary, in order to verify the information submitted pursuant to paragraphs 3 and 4 and in particular to determine whether the chemical weapons meet the definition of old chemical weapons as specified in Article II, paragraph 5. Guidelines to determine the usability of chemical weapons produced between 1925 and 1946 shall be considered and approved by the Conference pursuant to Article VIII, paragraph 21 (i).
  4. A State Party shall treat old chemical weapons that have been confirmed by the Technical Secretariat as meeting the definition in Article II, paragraph 5 (a), as toxic waste. It shall inform the Technical Secretariat of the steps being taken to destroy or otherwise dispose of such old chemical weapons as toxic waste in accordance with its national legislation.
  5. Subject to paragraphs 3 to 5, a State Party shall destroy old chemical weapons that have been confirmed by the Technical Secretariat as meeting the definition in Article II, paragraph 5 (b), in accordance with Article IV and Part IV (A) of this Annex. Upon request of a State Party, the Executive Council may, however, modify the provisions on time limit and order of destruction of these old chemical weapons, if it determines that doing so would not pose a risk to the object and purpose of this Convention. The request shall contain specific proposals for modification of the provisions and a detailed explanation of the reasons for the proposed modification.

C. Regime for Abandoned Chemical Weapons

  1. A State Party on whose territory there are abandoned chemical weapons (hereinafter referred to as the “Territorial State Party”) shall, not later than 30 days after this Convention enters into force for it, submit to the Technical Secretariat all available relevant information concerning the abandoned chemical weapons. This information shall include, to the extent possible, the location, type, quantity and the present condition of the abandoned chemical weapons as well as information on the abandonment.
  2. A State Party which discovers abandoned chemical weapons after this Convention enters into force for it shall, not later than 180 days after the discovery, submit to the Technical Secretariat all available relevant information concerning the discovered abandoned chemical weapons. This information shall include, to the extent possible, the location, type, quantity and the present condition of the abandoned chemical weapons as well as information on the abandonment.
  3. A State Party which has abandoned chemical weapons on the territory of another State Party (hereinafter referred to as the “Abandoning State Party”) shall, not later than 30 days after this Convention enters into force for it, submit to the Technical Secretariat all available relevant information concerning the abandoned chemical weapons. This information shall include, to the extent possible, the location, type, quantity as well as information on the abandonment, and the condition of the abandoned chemical weapons.
  4. The Technical Secretariat shall conduct an initial inspection, and any further inspections as may be necessary, in order to verify all available relevant information submitted pursuant to paragraphs 8 to 10 and determine whether systematic verification in accordance with Part IV (A), paragraphs 41 to 43, of this Annex is required. It shall, if necessary, verify the origin of the abandoned chemical weapons and establish evidence concerning the abandonment and the identity of the Abandoning State.
  5. The report of the Technical Secretariat shall be submitted to the Executive Council, the Territorial State Party, and to the Abandoning State Party or the State Party declared by the Territorial State Party or identified by the Technical Secretariat as having abandoned the chemical weapons. If one of the States Parties directly concerned is not satisfied with the report it shall have the right to settle the matter in accordance with provisions of this Convention or bring the issue to the Executive Council with a view to settling the matter expeditiously.
  6. Pursuant to Article I, paragraph 3, the Territorial State Party shall have the right to request the State Party which has been established as the Abandoning State Party pursuant to paragraphs 8 to 12 to enter into consultations for the purpose of destroying the abandoned chemical weapons in cooperation with the Territorial State Party. It shall immediately inform the Technical Secretariat of this request.
  7. Consultations between the Territorial State Party and the Abandoning State Party with a view to establishing a mutually agreed plan for destruction shall begin not later than 30 days after the Technical Secretariat has been informed of the request referred to in paragraph 13. The mutually agreed plan for destruction shall be transmitted to the Technical Secretariat not later than 180 days after the Technical Secretariat has been informed of the request referred to in paragraph 13. Upon the request of the Abandoning State Party and the Territorial State Party, the Executive Council may extend the time limit for transmission of the mutually agreed plan for destruction.
  8. For the purpose of destroying abandoned chemical weapons, the Abandoning State Party shall provide all necessary financial, technical, expert, facility as well as other resources. The Territorial State Party shall provide appropriate cooperation.
  9. If the Abandoning State cannot be identified or is not a State Party, the Territorial State Party, in order to ensure the destruction of these abandoned chemical weapons, may request the Organization and other States Parties to provide assistance in the destruction of these abandoned chemical weapons.
  10. Subject to paragraphs 8 to 16, Article IV and Part IV (A) of this Annex shall also apply to the destruction of abandoned chemical weapons. In the case of abandoned chemical weapons which also meet the definition of old chemical weapons in Article II, paragraph 5 (b), the Executive Council, upon the request of the Territorial State Party, individually or together with the Abandoning State Party, may modify or in exceptional cases suspend the application of provisions on destruction, if it determines that doing so would not pose a risk to the object and purpose of this Convention. In the case of abandoned chemical weapons which do not meet the definition of old chemical weapons in Article II, paragraph 5 (b), the Executive Council, upon the request of the Territorial State Party, individually or together with the Abandoning State Party, may in exceptional circumstances modify the provisions on the time limit and the order of destruction, if it determines that doing so would not pose a risk to the object and purpose of this Convention. Any request as referred to in this paragraph shall contain specific proposals for modification of the provisions and a detailed explanation of the reasons for the proposed modification.
  11. States Parties may conclude between themselves agreements or arrangements concerning the destruction of abandoned chemical weapons. The Executive Council may, upon request of the Territorial State Party, individually or together with the Abandoning State Party, decide that selected provisions of such agreements or arrangements take precedence over provisions of this Section, if it determines that the agreement or arrangement ensures the destruction of the abandoned chemical weapons in accordance with paragraph 17.