parcel of highly fractionated Indian land
(6) “parcel of highly fractionated Indian land” means a parcel of land that the Secretary, pursuant to authority under a provision of this chapter, determines to have, as evidenced by the Secretary’s records at the time of the determination— (A) 50 or more but less than 100 co-owners of undivided trust or restricted interests, and no 1 of such co-owners holds a total undivided trust or restricted interest in the parcel that is greater than 10 percent of the entire undivided ownership of the parcel; or (B) 100 or more co-owners of undivided trust or restricted interests;