In carrying out its duties under this section, the Commission, or any duly authorized committee thereof, is authorized to hold such hearings, sit and act at such times and places, and take such testimony, with respect to matters with respect to which it has a responsibility under this section, as the Commission or such committee may deem advisable. The Chairman of the Commission or any member authorized by him may administer oaths or affirmations to witnesses appearing before the Commission or before any committee thereof.
The Commission may secure directly from any department or agency of the United States such data and information as may be necessary to enable it to carry out its duties under this section. Upon request of the Chairman of the Commission, any such department or agency shall furnish any such data or information to the Commission.
There are authorized to be appropriated such sums as may be necessary to carry out this section.