; or (B) any limitation on the authority of the Secretary of the Interior under any Federal law or regulation other than the Act of June 18, 1934 (commonly known as the Indian Reorganization Act ) (48 Stat. 984, chapter 576; 25 U.S.C. 5101 et seq. ), as amended by subsection (a). (2) References in other laws An express reference to the Act of June 18, 1934 (commonly known as the Indian Reorganization Act ) (48 Stat. 984, chapter 576; 25 U.S.C. 5101 et seq. ), contained in any other Federal law shall be considered a reference to that Act as amended by subsection (a).