; (B) the need to reduce disparities in the size of congressional districts; and (C) the need to ensure that historically under represented populations are not disenfranchised. (e) Powers (1) Hearings and other activities For the purpose of carrying out its duties, the commission may hold such hearings and undertake such other activities as the commission determines to be necessary to carry out its duties. (2) Authority to use subpoenas The commission may require by subpoena the attendance of such witnesses and the production of such books, papers, and documents, as it considers appropriate. (3) Access to legislative branch services The commission shall have access to the services of the Architect of the Capitol, the Government Accountability Office, the Congressional Budget Office, and the Congressional Research Service in the same manner and under the same terms and conditions as any standing committee of the House of Representatives or Senate. (f) Report The commission shall submit a report to Congress containing its recommendations under subsection (d)(3) not later than 6 months after the publication of the regular decennial census of the population of the United States. (g) Termination A commission established under this section shall terminate 30 days after submitting the report under subsection (f). (h) Effective date This section shall apply with respect to the second regular decennial census conducted after the date of the enactment of this Act and each subsequent decennial census. 4. Authorization of appropriations for provision of additional space, facilities, personnel, and resources There are authorized to be appropriated to the House of Representatives and the Architect of the Capitol for the fiscal year in which this Act is enacted and each succeeding fiscal year such sums as may be necessary to provide for any additional space, facilities, personnel, and other resources for the House which may be required as the result of the enactment of this Act.