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Member states of the United Nations Commission on International Trade Law (UNCITRAL) together represent the different legal, economic and social systems, and geographic regions of the world.

The UNCITRAL Arbitration Rules, adopted in 1976 and revised in 2010, entrust the Secretary-General of the PCA with the role of designating an "appointing authority" upon request of a party to arbitration proceedings. This role has taken on increasing significance in recent years as the acceptance and use of the UNCITRAL Rules has increased.

In addition to the role of designating appointing authorities, the Secretary-General of the PCA will act as the appointing authority under the UNCITRAL Arbitration Rules when the parties so agree.

The PCA also frequently provides full administrative support in arbitrations under the UNCITRAL Arbitration Rules.

Further information concerning the PCA’s appointing authority activities is provided in the PCA’s Annual Reports.


A 2006 report of the PCA Secretary-General to UNCITRAL about the PCA's activities under the UNCITRAL Arbitration Rules since 1976 is available here.