1. Tacna-Arica question. In matter of arbitration between Chile and Peru, with respect to unfulfilled provisions of treaty of peace, of Oct. 20, 1883, under protocol and supplementary act signed Washington, July 20, 1922, opinion and award of arbitrator [President of United States, Mar. 4, 1925]. Bookmark Corporate/Agency Authors: State Department Publisher: State Department Date: 1925 SuDoc number: S 3.35:Op 3