The limits of each superintendency, agency, and subagency shall be established by the Secretary of the Interior, either by tribes or geographical boundaries. (R.S. § 2066.) Editorial Notes Codification R.S. § 2066 derived from acts June 30, 1834, ch. 162, § 7, 4 Stat. 736 ; Mar. 3, 1847, ch. 66, § 1, 9 Stat. 203 . Executive Documents Transfer of Functions 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.