A bill to amend the Act of December 22, 1974 (88 Stat. 1712; 25 U.S.C. 640d).

[AI summary unavailable — showing source text] Directs the Secretary of the Interior to submit an appraisal of certain reservation lands partitioned to the Hopi and Navajo Indian Tribes to the appropriate district court and to the Tribes for purposes of determining compensation for less than standard amounts of acreage or land value resulting from such partition. Authorizes either tribe to prosecute or defend actions for certain types of relief against the other tribe and against the United States. Sets forth a formula for determining the amount of certain types of recovery by the Hopi Tribe. Prohibits the use of certain defenses in such proceedings. Defines the jurisdiction of specified offices of the Bureau of Indian Affairs (BIA) and the application of tribal ordinances over partitioned lands. Permits development of specified lands involved in litigation only upon the written consent of each tribe. Excludes specified lands from the lands which the Secretary may transfer to the Navajo Tribe. Repeals a provision allowing private lands acquired by the Navajo Tribe to be taken by the U.S. in trust for that tribe. Authorizes the Navajo and Hopi Indian Relocation Commission to purchase up to 50,000 acres of land for the benefit of…