About this version

  1. the correction of errors in the Arabic, Chinese, English, French, Russian and Spanish texts, pursuant to Depositary Notification C.N.246.1994.TREATIES-5, issued on 31 August 1994;

  2. the addition, under Article XV of the Convention, of a new paragraph, 5bis, to Section B of Part VI of the Verification Annex, in accordance with:

    1. the change to Section B of Part VI of the Verification Annex, effective 31 October 1999, pursuant to Depositary Notification C.N.916.1999.TREATIES-7, issued on 8 October 1999; together with

    2. the correction to the change to Section B of Part VI of the Verification Annex, effective 9 March 2000, pursuant to Depositary Notification C.N.157.2000.TREATIES-1, issued on 13 March 2000; and
  3. the addition, under Article XV of the Convention, of a new paragraph, 72bis, to Section D of Part V of the Verification Annex, pursuant to Depositary Notification C.N.610.2005.TREATIES-4, issued on 29 July 2005.

Participation

OPCW is the fastest growing international disarmament organisation in history. The United Nations has called upon all States to join the CWC and to rid the world of the threat chemical weapons pose to international security.

See the evolution of the Status of Participation in the Convention.