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- Date of Signature: 5 September 1991
- Parties: Argentina, Brazil, and Chile
The Parties agreed not to develop, produce, acquire in any way, stockpile or retain, transfer directly or indirectly, or use chemical or biological weapons. Prior to the entrance into force of the Chemical Weapons Convention (CWC), and in conformity with international law, the Parties intended to establish in their respective countries the appropriate inspection mechanisms for those substances defined as precursors or chemical warfare agents.
The Mendoza Agreement, signed in 1991, was an agreement between Argentina, Brazil, and Chile which never entered into force. The Parties agreed not to develop, produce, acquire, stockpile or retain, transfer, or use chemical or biological weapons.