In this chapter:

(1) Farm

The term “farm” means a farm, as defined by the Bureau of the Census.

(2) Indian tribe

The term “Indian tribe” has the meaning given the term in section 5304 of title 25.

(3) Rural area

Except as provided otherwise in this chapter, the term “rural area” means the farm and nonfarm population of—

(A) any area described in section 1991(a)(13)(C) of this title; and

(B) any area within a service area of a borrower for which a borrower has an outstanding loan made under subchapters I through V as of the date of enactment of this paragraph.

(4) Territory

The term “territory” includes any insular possession of the United States.

(5) Secretary

The term “Secretary” means the Secretary of Agriculture.