Recording and Disclosure of Proceedings.
(1) Recording of Proceedings. All proceedings, except when the grand jury is deliberating or voting, shall be recorded stenographically or by an electronic recording device. An unintentional failure of any recording to reproduce all or any portion of a proceeding shall not affect the validity of the prosecution. The recording or reporter's notes or any transcript prepared therefrom shall remain in the custody or control of the attorney for the government unless otherwise ordered by the court in a particular case.
(2) General Rule of Secrecy. A grand juror, an interpreter, a stenographer, an operator of a recording device, a typist who transcribes recorded testimony, an attorney for the government, or any person to whom disclosure is made under paragraph (3)(A)(ii) of this subdivision shall not disclose matters occurring before the grand jury, except as otherwise provided for in these rules. No obligation of secrecy may be imposed on any person except in accordance with this rule. A knowing violation of Rule 6 may be punished as a contempt of court.
(ii) such government personnel (including personnel of a state or subdivision of a state) as are deemed necessary by an attorney for the government to assist an attorney for the government in the performance of such attorney's duty to enforce federal criminal law.
(B) Any person to whom matters are disclosed under subparagraph (A)(ii) of this paragraph shall not utilize that grand jury material for any purpose other than assisting the attorney for the government in the performance of such attorney's duty to enforce federal criminal law. An attorney for the government shall promptly provide the district court, before which was impaneled the grand jury whose material has been so disclosed, with the names of the persons to whom such disclosure has been made, and shall certify that the attorney has advised such persons of their obligation of secrecy under this rule.
(C) Disclosure otherwise prohibited by this rule of matters occurring before the grand jury may also be made -
(ii) when permitted by a court at the request of the defendant, upon a showing that grounds may exist for a motion to dismiss the indictment because of matters occurring before the grand jury;
(iii) when the disclosure is made by an attorney for the government to another federal grand jury; or
(iv) when permitted by a court at the request of an attorney for the government, upon a showing that such matters may disclose a violation of state criminal law, to an appropriate official of a state or subdivision of a state for the purpose of enforcing such law.
If the court orders disclosure of matters occurring before the grand jury, the disclosure shall be made in such manner, at such time, and under such conditions as the court may direct.
(E) If the judicial proceeding giving rise to the petition is in a federal district court in another district, the court shall transfer the matter to that court unless it can reasonably obtain sufficient knowledge of the proceeding to determine whether disclosure is proper. The court shall order transmitted to the court to which the matter is transferred the material sought to be disclosed, if feasible, and a written evaluation of the need for continued grand jury secrecy. The court to which the matter is transferred shall afford the aforementioned persons a reasonable opportunity to appear and be heard.
(5) Closed Hearing. Subject to any right to an open hearing in contempt proceedings, the court shall order a hearing on matters affecting a grand jury proceeding to be closed to the extent necessary to prevent disclosure of matters occurring before a grand jury.
(6) Sealed Records. Records, orders and subpoenas relating to grand jury proceedings shall be kept under seal to the extent and for such time as is necessary to prevent disclosure of matters occurring before a grand jury.