25 USC 3402 - Definitions

For the purposes of this chapter, the following definitions apply:
(1) Federal agency 
The term federal[1] agency has the same meaning given the term agency in section 551 (1) of title 5.
(2) Indian tribe 
The terms Indian tribe and tribe shall have the meaning given the term Indian tribe in section 450b (e) of this title.
(3) Indian 
The term Indian shall have the meaning given such term in section 450b (d) of this title.
(4) Secretary 
Except where otherwise provided, the term Secretary means the Secretary of the Interior.
[1] So in original. Probably should be capitalized.