Skip to main content
العربية
中文
English
Français
Русский
Español
Main navigation
Search
About Us
About Us
Mission
History
OPCW Basics
Member States
Conference of the States Parties
Executive Council
Technical Secretariat
Technical Secretariat
Leadership
Leadership
Director-General
Deputy Director-General
Divisions
Divisions
Verification
Inspectorate
International Cooperation and Assistance
Secretariat for the Policy-Making Organs
External Relations
Office of Strategy and Policy
Office of Internal Oversight
Office of the Legal Adviser
Office of Confidentiality and Security
Health and Safety
Administration
Subsidiary Bodies
Subsidiary Bodies
Advisory Body on Administrative and Financial Matters
Confidentiality Commission
Scientific Advisory Board
Advisory Board on Education and Outreach
Our Partners
Nobel Peace Prize
Visit the OPCW
Our Work
Our Work
What is a Chemical Weapon?
Eliminating Chemical Weapons
Preventing Re-emergence
Supporting National Implementation
Promoting Chemistry for Peace
Ensuring Preparedness
Responding to the Use of Chemical Weapons
Supporting Victims
Achieving Universality
The Convention
The Convention
Articles
Articles
Preamble
Article I – General Obligations
Article II – Definitions and Criteria
Article III – Declarations
Article IV – Chemical Weapons
Article V – Chemical Weapons Production Facilities
Article VI – Activities Not Prohibited Under this Convention
Article VII – National Implementation Measures
Article VIII – The Organization
Article IX – Consultations, Cooperation and Fact‑Finding
Article X – Assistance and Protection Against Chemical Weapons
Article XI – Economic and Technological Development
Article XII – Measures to Redress a Situation and to Ensure Compliance, including Sanctions
Article XIII – Relation to Other International Agreements
Article XIV – Settlement of Disputes
Article XV – Amendments
Article XVI – Duration and Withdrawal
Article XVII – Status of the Annexes
Article XVIII – Signature
Article XIX – Ratification
Article XX – Accession
Article XXI – Entry Into Force
Article XXII – Reservations
Article XXIII – Depositary
Article XXIV – Authentic Texts
Annexes
Annexes
Annex on Chemicals
Annex on Chemicals
Annex on Chemicals
Schedule 1
Schedule 2
Schedule 3
Confidentiality Annex
Verification Annex
Verification Annex
Part I – Definitions
Part II – General Rules of Verification
Part III – General Provisions for Verification Measures Pursuant to Articles IV, V and VI, Paragraph 3
Part IV(A) – Destruction of Chemical Weapons and Its Verification Pursuant to Article IV
Part IV(B) – Old Chemical Weapons and Abandoned Chemical Weapons
Part V – Destruction of Chemical Weapons Production Facilities and Its Verification Pursuant to Article V
Part VI – Regime for Schedule 1 Chemicals and Facilities Related to such Chemicals
Part VII – Regime for Schedule 2 Chemicals and Facilities Related to such Chemicals
Part VIII – Regime for Schedule 3 Chemicals and Facilities Related to such Chemicals
Part IX – Regime for other Chemical Production Facilities
Part X – Challenge Inspections Pursuant to Article IX
Part XI – Investigations in cases of Alleged Use of Chemical Weapons
Download the Convention
Media Centre
Media Centre
News
OPCW by the Numbers
Speeches and Statements
Photos and B-Roll Video Footage
OPCW Logo
Featured Topics
Featured Topics
Syria and the OPCW
Ukraine
The OPCW Artificial Intelligence Research Challenge
OPCW-The Hague Award
Day of Remembrance for All Victims of Chemical Warfare
ChemTech Centre
Public Information Requests and Media Guidelines
Resources
Resources
Documents
Documents
Annual Reports
Conference of States Parties
Conference of States Parties
CSP-29
CSP-28
More…
Executive Council
Executive Council
EC-109
EC-M-67
More…
Technical Secretariat
Technical Secretariat
2025
2024
More…
Subsidiary Bodies
Subsidiary Bodies
Advisory Board on Education and Outreach
Advisory Body on Administrative and Financial Matters
Confidentiality Commission
Scientific Advisory Board
Preparatory Commission
Declarations
Declarations
Declaration Requirements for Scheduled Chemicals
Determining Declarable Industrial Facilities
Preparing Declarations
Secure Information Exchange (SIX)
Electronic Declaration Information System (EDIS)
Handbook on Chemicals
Most Traded Scheduled Chemicals 2022
Industry Inspections
Industry Inspections
What to Expect
Pre-Inspection Briefing
Capacity Building
Capacity Building
National Implementation Programmes
National Implementation Programmes
Implementation Capacity Assessment and Support
National Authorities Annual Meeting
National Authorities Regional Meetings
Training-of-Trainers for Customs
General Training Course
Declarations and Inspections (Article VI Obligations) Training Course
Chemical Industry and National Authorities Meeting
Influential Visitors Programme
National Authority Mentorship / Partnership Programme
Internship Programme for Legal Drafters and National Authorities
Stakeholders Forum on National Implementing Legislation
Assistance and Protection Programmes
Assistance and Protection Programmes
Training Cycles
Table Top Exercises
Specialised Training Programmes
Training of Trainers Programme
Instructor Development and Exchange Programme
Article X Workshops
International Cooperation Programmes
International Cooperation Programmes
Proficiency Test Training Courses
Africa Programme
Associate Programme
Chemical Safety and Security Management Programme
Chemical Safety and Security Management Tools Development Programme
Chemical Safety and Security Needs Assessment and Best Practices
Responsible Care® Workshops
Executive Programme on Integrated Chemicals Management
Analytical Skills Development Course
Laboratory Twinning Initiative
Equipment Exchange Programme
Customs Laboratory Training
Laboratory Assistance Programme
Basic Analytical Chemistry Course for Women
Research Project Support Programme
Fellowship Programme
Conference Support Programme
Women in Chemistry
Policy and Diplomacy for Scientists Workshop
Peaceful Uses of Chemistry Forum
Article XI Workshop
National Implementation
National Implementation
National Implementation Framework
Model Implementing Legislation
Legislation Compendium
Assistance and Protection
Assistance and Protection
Medical Aspects of Assistance and Protection Against Chemical Weapons
Practical Guide for Medical Management of Chemical Warfare Casualties
What to do in a Chemical Emergency
Science and Technology
Education and Outreach
OPCW Agreements
Catalyst
Work with Us
Work with Us
Our Internal Vision
Diversity & Inclusion
Employment
Internships
Business Opportunities
Calendar
Article XVIII
Signature
This Convention shall be open for signature for all States before its entry into force.
