Pursuant to the Indian Self-Determination and Education Assistance Act [25 U.S.C. 5301 et seq.], the Secretary is authorized (to the extent provided in advance in appropriations Acts) to enter into contracts, grants, or agreements with Indian tribes for the performance of any function of the Office and for the development, enhancement, and continuing operation of tribal justice systems and traditional tribal judicial practices by Indian tribal governments.
25 U.S. Code § 3613 - Base support funding for tribal justice systems
The Indian Self-Determination and Education Assistance Act, referred to in subsec. (a), is Pub. L. 93–638, Jan. 4, 1975, 88 Stat. 2203, which is classified principally to chapter 46 (§ 5301 et seq.) of this title. For complete classification of this Act to the Code, see Short Title note set out under section 5301 of this title and Tables.