; or (B) provide the basis for any objection to producing the documentary material or answering the written question. To the extent that any information is not furnished, the information shall be identified and reasons set forth with particularity regarding the reasons why the information was not furnished. (4) Judicial proceedings (A) Petition for enforcement Whenever any State or political subdivision, or other governmental representative or agent, fails to comply with demand issued by the Attorney General under paragraph (1), the Attorney General may file, in a district court of the United States in which the State or political subdivision, or other governmental representative or agent, is located, a petition for a judicial order enforcing the Attorney General demand issued under paragraph (1). (B) Petition to modify (i) In general Any State or political subdivision, or other governmental representative or agent, that is served with a demand issued by the Attorney General under paragraph (1) may file in the United States District Court for the District of Columbia a petition for an order of the court to modify or set aside the demand of the Attorney General. (ii) Petition to modify Any petition to modify or set aside a demand of the Attorney General issued under paragraph (1) must be filed within 20 days after the date of service of the Attorney General’s demand or at any time before the return date specified in the Attorney General’s demand, whichever date is earlier. (iii) Contents of petition The petition shall specify each ground upon which the petitioner relies in seeking relief under clause (i), and may be based upon any failure of the Attorney General’s demand to comply with the provisions of this section or upon any constitutional or other legal right or privilege of the State or political subdivision, or other governmental representative or agent. During the pendency of the petition in the court, the court may stay, as it deems proper, the running of the time allowed for compliance with the Attorney