No moneys or annuities stipulated by any treaty with an Indian tribe for which appropriations are made shall be expended for, or paid, or delivered to any tribe which, since the next preceding payment under such treaty, has engaged in hostilities against the United States, or against its citizens peacefully or lawfully sojourning or traveling within its jurisdiction at the time of such hostilities; nor in such case shall such stipulated payments or deliveries be resumed until new appropriations shall have been made therefor by Congress.
25 U.S. Code § 127 - Moneys or annuities of hostile Indians
R.S. § 2100 derived from act Mar. 2, 1867, ch. 173, § 2, 14 Stat. 515.
1928—Act May 29, 1928, struck out provision requiring the Commissioner of Indian Affairs to make periodic reports to Congress concerning hostilities with any tribes with which the United States has treaty stipulations.