25 U.S.C. § 5632
In this subchapter:
- (1)The term “BIA” means the Bureau of Indian Affairs.
- (2)The term “Department” means the Department of the Interior.
- (3)The term “Secretary” means the Secretary of the Interior.
- (4)The term “Under Secretary” means the Under Secretary for Indian Affairs established under section 5633(a) of this title.