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U.S. Department of State

Diplomacy in Action

NAFTA Investor-State Arbitrations


Chapter Eleven of the North American Free Trade Agreement (the "NAFTA") contains provisions designed to protect cross-border investors and facilitate the settlement of investment disputes. For example, each NAFTA Party must accord investors from the other NAFTA Parties national (i.e. non-discriminatory) treatment and may not expropriate investments of those investors except in accordance with international law. Chapter Eleven permits an investor of one NAFTA Party to seek money damages for measures of one of the other NAFTA Parties that allegedly violate those and other provisions of Chapter Eleven. Investors may initiate an arbitration against the NAFTA Party under the Arbitration Rules of the United Nations Commission on International Trade Law ("UNCITRAL Rules") or the Arbitration (Additional Facility) Rules of the International Centre for Settlement of Investment Disputes ("ICSID Additional Facility Rules").

The following links provide general background on the NAFTA, the relevant arbitral rules and investment disputes:

The Department of State is the lead agency representing the U.S. government in NAFTA Chapter Eleven cases. The State Department works closely with other agencies to develop U.S. government positions in these cases.
The links at the left connect to pages describing any cases against a State Party and contain pleadings and certain other documents that are publicly available under the rules and confidentiality agreements applicable in each case.

For more information, contact:

Office of International Claims and Investment Disputes
Investment Arbitration
Suite 203, South Building
2430 E Street, N.W.
Washington, DC 20037
tel: 202-776-8360
fax: 202-776-8388

Notices and other documents in disputes under Section B of NAFTA Chapter Eleven shall be served on the United States by delivery to:

Executive Director (L/EX)
Office of the Legal Adviser
Department of State
Washington, D.C. 20520
United States of America


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