Congress or to an appropriate committee of the Congress, except that the Agency is permitted to adopt rules allowing prior notice to any party that owns or otherwise provided the material to the Agency and had designated such material as confidential. (e) Petition for enforcement (1) In general Whenever any person fails to comply with any civil investigative demand duly served upon such person under this section, or whenever satisfactory copying or reproduction of material requested pursuant to the demand cannot be accomplished and such person refuses to surrender such material, the Agency, through such officers or attorneys as it may designate, may file, in the district court of the United States for any judicial district in which such person resides, is found, or transacts business, and serve upon such person, a petition for an order of such court for the enforcement of this section. (2) Service of process All process of any court to which application may be made as provided in this subsection may be served in any judicial district. (f) Petition for order modifying or setting aside demand (1) In general Not later than 20 days after the service of any civil investigative demand upon any person under subsection (c), or at any time before the return date specified in the demand, whichever period is shorter, or within such period exceeding 20 days after service or in excess of such return date as may be prescribed in writing, subsequent to service, by any Agency investigator named in the demand, such person may file with the Agency a petition for an order by the Agency modifying or setting aside the demand. (2) Compliance during pendency The time permitted for compliance with the demand in whole or in part, as determined proper and ordered by the Agency, shall not 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