; and (4) obtain court orders and issue legal process to the extent authorized under chapters 119, 121, and 206 of title 18, United States Code, or any other applicable Federal law. (c) Enforcement of subpoenas In the case of contumacy by, or refusal to obey a subpoena issued to, any person under subsection (b)(3), a district court of the United States, after notice to such person and a hearing, shall have jurisdiction to issue an order requiring such person to appear and give testimony or to appear and produce books, records, and other writings, regardless of format, that are the subject of the subpoena. Any failure to obey such order of the court may be punished by such court as a contempt thereof. (d) Actions by the Attorney General The Attorney General may bring an action in an appropriate district court of the United States for appropriate relief, including declaratory and injunctive, or divestment relief, against any person who violates this Act or any regulation, order, direction, mitigation measure, prohibition, or other authorization or directive issued under this Act. In any such action, the limitations as described under section 12(b) shall apply. 11. Penalties (a) Unlawful acts (1) In general It shall be unlawful for a person to violate, attempt to violate, conspire to violate, or cause a violation of any regulation, order, direction, mitigation measure, prohibition, or other authorization or directive issued under this Act, including any of the unlawful acts described in paragraph (2). (2) Specific unlawful acts The unlawful acts described in this paragraph are the following: (A) No person may engage in any conduct prohibited by or contrary to, or refrain from engaging in any conduct required by any regulation, order, direction, mitigation measure, prohibition, or other authorization or directive issued under this Act. (B) No person may cause or aid, abet, counsel, command, induce, procure, permit, or approve the doing of any act prohibited by, or the omission of any act required by any regulation,