run during the pendency of a petition under paragraph (1) at the Agency, except that such person shall comply with any portions of the demand not sought to be modified or set aside. (3) Specific grounds A petition under paragraph (1) shall specify each ground upon which the petitioner relies in seeking relief, and may be based upon any failure of the demand to comply with the provisions of this section, or upon any constitutional or other legal right or privilege of such person. (g) Custodial control At any time during which any custodian is in custody or control of any documentary material, tangible things, reports, answers to questions, or transcripts of oral testimony given by any person in compliance with any civil investigative demand, such person may file, in the district court of the United States for the judicial district within which the office of such custodian is situated, and serve upon such custodian, a petition for an order of such court requiring the performance by such custodian of any duty imposed upon such custodian by this section or rule promulgated by the Agency. (h) Jurisdiction of court (1) In general Whenever any petition is filed in any district court of the United States under this section, such court shall have jurisdiction to hear and determine the matter so presented, and to enter such order or orders as may be required to carry out the provisions of this section. (2) Appeal Any final order entered as described in paragraph (1) shall be subject to appeal pursuant to section 1291 of title 28, United States Code. 402. Hearings and adjudication proceedings (a) In general The Agency is authorized to conduct hearings and adjudication proceedings with respect to any person in the manner prescribed by chapter 5 of title 5, United States Code, in order to ensure or enforce compliance with this Act and the rules prescribed under this Act. (b) Special rules for cease-and-Desist proceedings (1) Orders authorized (A) In general If, in the opinion of the Agency, a person is engaging or has