; and (ii) be filled within 45 days of the vacancy in the manner in which the original appointment was made. (5) Hearings (A) In general In carrying out the duties of the Commission under this section, the Commission is authorized to hold such hearings and take testimony with respect to matters to which it has a responsibility under this section. (B) Oaths The chairperson of the Commission, or any member of the Commission authorized by the chairperson, may administer oaths or affirmations to witnesses appearing before the Commission. (6) Prohibition of compensation Members of the Commission shall serve without pay. (d) Operation and powers (1) Meetings The Commission shall meet not later than 30 days after the date upon which a majority of the members of the Commission have been appointed and at such times thereafter as the chairperson or co-chairperson shall determine. Detailed minutes of each meeting of the Commission, except for any closed session, shall be kept and shall include a record of the persons present and a complete and accurate description of matters discussed. (2) Rules of procedure The chairperson and co-chairperson of the Commission shall, with the approval of a majority of the members of the Commission, establish written rules of procedure for the Commission, which shall include a quorum requirement to conduct the business of the Commission. (3) Hearings (A) Frequency The Commission shall hold no fewer than 2 hearings on matters to carry out the duties of the Commission under subsection (b). (B) Testimony The Commission may take testimony and receive evidence as the Commission considers appropriate. (C) Notice (i) Hearings Timely public notice of each hearing of the Commission, including the time, place, and agenda of the meeting, shall be provided by any means determined by the Commission to provide for wide publicity. (ii) Meetings Timely notice of each regular meeting of the Commission shall be published in the Federal Register. (iii) Comments Interested persons shall be permitted to submit