34 U.S.C. § 12133

“Indian tribe” defined

In this part, “Indian tribe” means a tribe, band, pueblo, nation, or other organized group or community of Indians, including an Alaska Native village (as defined in or established under the Alaska Native Claims Settlement Act ( 43 U.S.C. 1601 et seq.), that is recognized as eligible for the special programs and services provided by the United States to Indians because of their status as Indians.

( Pub. L. 103–322, title III, § 30103 , Sept. 13, 1994 , 108 Stat. 1838 .)