7 U.S. Code § 936f - Substantially underserved trust areas
The term “substantially underserved trust area” means a community in “trust land” (as defined in section 3765 of title 38) with respect to which the Secretary determines has a high need for the benefits of an eligible program.
The date of enactment of this section, referred to in subsec. (d), is the date of enactment of Pub. L. 110–246, which was approved June 18, 2008.