; experts and consultants (a) Staff The Chairperson of the working group may appoint and fix the pay of additional personnel as the Chairperson considers appropriate. (b) Experts and consultants The Chairperson may procure temporary and intermittent services under section 3109(b) of title 5, United States Code. (c) Detailees Upon request of the Chairperson, the head of any Federal department or agency may detail, on a reimbursable basis, any of the personnel of that department or agency to the working group to assist it in carrying out its duties under this Act. 7. Powers of working group (a) Hearings and sessions The working group may, for the purpose of carrying out this Act, hold hearings, sit and act at times and places, take testimony, and receive evidence as the working group considers appropriate. The working group may administer oaths or affirmations to witnesses appearing before it. (b) Powers of members and agents Any member or agent of the working group may, if authorized by the Chairperson, take any action which the working group is authorized to take by this section, including requesting information and data. (c) Obtaining official data The working group may secure directly from any department or agency of the United States information necessary to enable it to carry out this Act. Upon request of the Chairperson of the working group, the head of that department or agency shall furnish that information to the working group. (d) Mails The working group may use the United States mails in the same manner and under the same conditions as other departments and agencies of the United States. (e) Administrative support services Upon the request of the working group, the Administrator of General Services shall provide to the working group, on a reimbursable basis, the administrative support services necessary for the working group to carry out its responsibilities under this Act. 8. Report Not later than 210 days after the date of enactment of this Act, the working group shall submit to the Attorney General,