151.7—Acquisition of fractional interests.
Acquisition of a fractional land interest by an individual Indian or a tribe in trust status can be approved by the Secretary only if:
(c)
The buyer offers to purchase the remaining undivided trust or restricted interests in the parcel at not less than their fair market value; or
(d)
There is a specific law which grants to the particular buyer the right to purchase an undivided interest or interests in trust or restricted land without offering to purchase all of such interests; or
(e)
The owner of a majority of the remaining trust or restricted interests in the parcel consent in writing to the acquisition by the buyer.