25 U.S. Code § 113 - Mode of disbursements
At the discretion of the President all disbursements of moneys, whether for annuities or otherwise, to fulfill treaty stipulations with individual Indians or Indian tribes, shall be made in person by the superintendents of Indian affairs, where superintendencies exist, to all Indians or tribes within the limits of their respective superintendencies, in the presence of the local agents and interpreters, who shall witness the same, under such regulations as the Secretary of the Interior may direct.
R.S. § 2089 derived from act Mar. 3, 1857, ch. 90, § 1, 11 Stat. 169.
For transfer of functions of other officers, employees, and agencies of Department of the Interior, with certain exceptions, to Secretary of the Interior, with power to delegate, see Reorg. Plan No. 3 of 1950, §§ 1, 2, eff. May 24, 1950, 15 F.R. 3174,64 Stat. 1262, set out in the Appendix to Title 5, Government Organization and Employees.
Transfer of disbursement functions of all Government agencies with certain exceptions to the Fiscal Service, Department of the Treasury, see note set out under section 53 of this title.