Authorizes the Secretary of the Interior to accept title to any additional number of acres of real property located within the boundaries of the original 1857 reservation of the Confederated Tribes of the Grand Ronde Community of Oregon (comprising land within the political boundaries of Polk and Yamhill Counties, Oregon), if such real property is conveyed or otherwise transferred to the United States by or on behalf of the Tribe.
States that: (1) the Secretary shall treat all applications to take land into trust within the boundaries of the original 1857 reservation as an on-reservation trust acquisition, and (2) all real property taken into trust within those boundaries after September 9, 1988, shall be part of the Tribe's reservation.