; and (ii) the production of books, papers, correspondence, memoranda, contracts, agreements, and other records. (B) Court order (i) In general A court of the United States whose aid is invoked under subparagraph (A) may issue an order requiring the applicable person to appear before the Commission or a member or officer designated by the Commission, there to produce records, if so ordered, or to give testimony touching the matter under investigation or in question. (ii) Contempt A court may punish any failure to obey an order of the court issued under clause (i) as a contempt thereof. (C) Service of process All process in any case under this paragraph may be served in the judicial district whereof the applicable person is an inhabitant or wherever the person may be found or may be doing business. (D) Criminal penalty (i) Offense It shall be unlawful for a person to willfully fail or refuse to attend and testify or to answer any lawful inquiry or to produce books, papers, correspondence, memoranda, contracts, agreements, or other records, if in the power of the person so to do, in obedience to a subpoena of the Commission under this paragraph. (ii) Penalty Any person who violates clause (i) shall be fined not more than $100,000, imprisoned for not more than 1 year, or both. (4) Testimony by deposition (A) Instance of party The testimony of any witness may be taken, at the instance of a party, in any proceeding or investigation pending before the Commission, by deposition, at any time after the proceeding is at issue. (B) Commission order The Commission may order testimony to be taken by deposition in any proceeding or investigation pending before the Commission, at any stage of the proceeding or investigation. (C) Person taking deposition A deposition under subparagraph (A) or (B) may be taken before any person authorized to administer oaths not being of counsel or attorney to either of the parties, nor interested in the proceeding or investigation. (D) Notice The party or the party's attorney proposing to take a