25 U.S.C. § 347
In all actions brought in any State court or United States court by any patentee, his heirs, grantees, or any person claiming under such patentee, for the possession or rents or profits of lands patented in severalty to the members of any tribe of Indians under any treaty between it and the United States of America, where a deed has been approved by the Secretary of the Interior to the land sought to be recovered, the statutes of limitations of the States in which said land is situate shall be held to apply, and it shall be a complete defense to such action that the same has not been brought within the time prescribed by the statutes of said State the same as if such action had been brought for the recovery of land patented to others than members of any tribe of Indians.
25 U.S.C. § 347