25 U.S.C. § 1512
Authorization of appropriations for interest payments
There are authorized to be appropriated for fiscal year 1985, and for each fiscal year thereafter, an amount which does not exceed $5,500,000 for purposes of making interest payments authorized under this subchapter. Sums appropriated under this section, shall remain available until expended.
( Pub. L. 93–262, title III, § 302 , Apr. 12, 1974 , 88 Stat. 82 ; Pub. L. 98–449, § 8 , Oct. 4, 1984 , 98 Stat. 1725 .)