; and (ii) in the discretion of the Commission, may publish information concerning any subject of investigation described in clause (i). (2) Attendance of witnesses and production of documents (A) In general For the purpose of any investigation or any other proceeding under this division, the Commission, or any officer designated by the Commission, may administer oaths and affirmations, subpoena witnesses, compel their attendance, take evidence, and require the production of any books, papers, correspondence, memoranda, contracts, agreements, or other records that the Commission finds relevant or material to the inquiry. (B) Location The attendance of witnesses and the production of any records described in subparagraph (A) may be required from any place in the United States at any designated place of hearing. (C) Witness fees and mileage The Commission shall pay witnesses summoned to appear before the Commission the same fees and mileage that are paid witnesses in the courts of the United States. (3) Resort to courts of United States for failure to obey subpoena; punishment (A) In general In case of contumacy by, or refusal to obey a subpoena issued to, any person, the Commission may invoke the aid of any court of the United States within the jurisdiction of which the investigation or proceeding is carried on, or where the person resides or carries on business, in requiring— (i) the attendance and testimony of witnesses