What is the legal authority for these allotments?

§ 2568.20 What is the legal authority for these allotments? (a) The Alaska Native Claims Settlement Act, 43 U.S.C. 1601 et seq. (ANCSA), as amended. (b) Section 432 of Public Law 105–276, the Appropriations Act for the Departments of Veterans Affairs and Housing and Urban Development for fiscal year 1999, 43 U.S.C. 1629g, which amended ANCSA by adding section 41. (c) Section 301 of Public Law 106–559, the Indian Tribal Justice Technical and Legal Assistance Act of 2000, which amended section 41 of ANCSA. (d) The Native Allotment Act of 1906, 34 Stat. 197, as amended, 42 Stat. 415 and 70 Stat. 954, 43 U.S.C. 270–1 through 270–3 (1970). [65 FR 40961, June 30, 2000, as amended at 66 FR 52547, Oct. 16, 2001]