Calendar
- Eventus OPCW Event Management System
- EC-110 – One Hundred and Tenth Session of the Executive Council 7 – 10 October 2025
- CSP-30 – Thirtieth Session of the Conference of the States Parties 24 – 28 November 2025
- EC-111 – One Hundred and Eleventh Session of the Executive Council 10 – 13 March 2026
- EC-112 – One Hundred and Twelfth Session of the Executive Council 7 – 10 July 2026
- EC-113 – One Hundred and Thirteenth Session of the Executive Council 6 – 9 October 2026
- CSP-31 – Thirty First Session of the Conference of the States Parties 23 – 27 November 2026