; and (iii) provisions for preservation of public access to the Panel’s records through the Secretary of Health and Human Services. (G) Subpoenas; witnesses; contempt (i) Subpoena authority For the purpose of making any investigation of any accident or other occurrence relating to health or safety in a coal or other mine under this paragraph, the Director shall at the request of a majority of the Panel, or upon the initiative of such Director, sign and issue subpoenas for the attendance and testimony of witnesses and the production of relevant papers, books, and documents, and administer oaths. Witnesses summoned shall be paid the same fees and mileage that are paid witnesses in the courts of the United States. (ii) Additional investigative authority In carrying out inspections and investigations under this paragraph, the staff of the Director or Panel and attorneys representing the Director or Panel are authorized to question any individual privately. Under this subparagraph, any individual who is willing to speak with or provide a statement to the Director or Panel’s staff or their attorneys, may do so without the presence, involvement, or knowledge of the operator or the operator's agents or attorneys. The Director or Panel shall keep the identity of an individual providing such a statement confidential to the extent permitted by law. Nothing in this paragraph prevents any individual from being represented by that individual’s personal attorney or other representative. (3) Powers and processes For the purpose