25 U.S.C. § 137, 138
Section 137, act Mar. 3, 1875, ch. 132, §3, 18 Stat. 449, related to requiring able-bodied male Indians to perform service on the reservation in order to receive appropriated supplies and annuities.
Section 138, R.S. §2101, related to withholding of goods from chiefs violating treaty stipulations.