25 U.S.C. § 2214
Establishing fair market value
For purposes of this chapter, the Secretary may develop a system for establishing the fair market value of various types of lands and improvements. Such a system may include determinations of fair market value based on appropriate geographic units as determined by the Secretary. Such a system may govern the amounts offered for the purchase of interests in trust or restricted land under this chapter.
( Pub. L. 97–459, title II, § 215 , as added Pub. L. 106–462, title I, § 103(6) , Nov. 7, 2000 , 114 Stat. 2002 ; amended Pub. L. 108–374, § 6(a)(7) , Oct. 27, 2004 , 118 Stat. 1802 ; Pub. L. 109–157, § 6 , Dec. 30, 2005 , 119 Stat. 2952 .)