; administration of oaths (a) Testimony of witnesses and production of evidence In carrying out this Act, the Commission may require, by subpoena or otherwise, the attendance and testimony of such witnesses and the production of such books, records, correspondence, memorandums, papers, and documents as it deems necessary. (b) Subpoenas Subpoenas shall be issued jointly by the Chairperson and Co-chairperson of the Commission, and may be served by any person designated by the Chairperson and Co-chairperson. (c) Administration of oaths The Chairperson of the Commission, or any member designated by the Chairperson, may administer oaths to any witness. 5. Commission reports (a) Report on matters covered by this Act The Commission shall submit to Congress a report with respect to the matters covered by this Act not later than 180 days after the date of the enactment of this Act and on an annual basis thereafter. The Commission shall provide information relating to the JCPOA to Members of the House and Senate as requested. (b) Report on expenditures For each fiscal year for which an appropriation is made the Commission shall submit to Congress a report on its expenditures under such appropriation. (c) Justification of budget The Commission shall prepare and submit to Congress a justification of the annual budget of the Commission at the time of submission of the annual budget of the President to Congress pursuant to section 1105(a) of title 31, United States Code. 6. Staff of commission (a) Staff (1) Staff director The Commission shall have a staff director, who shall be appointed jointly by the Chairperson and Co-chairperson of the Commission and whose pay shall be fixed jointly by the Chairperson and Co-chairperson of the Commission. (2) Other staff The Chairperson of the Commission shall appoint and fix the pay of other personnel of the Commission, subject to the approval of at least 2 of the following members of the Commission: (A) The Co-chairperson of the Commission. (B) For purposes of each even numbered