To nullify the Supplemental Treaty Between the United States of America and the Confederated Tribes and Bands of Indians of Middle Oregon, concluded on November 15, 1865.

The Supplemental Treaty Between the United States of America and the Confederated Tribes and Bands of Indians of Middle Oregon, concluded on November 15, 1865, and entered into pursuant to the Senate resolution of ratification dated March 2, 1867 (14 Stat. 751), shall have no force or effect.