and this section. (b) Congressional subpoenas for records (1) Identification of records withheld In the case of a record that is withheld, in whole or in part, by the subpoena recipient, the subpoena recipient shall provide a log containing the following information concerning such record: (A) An express assertion and description of the legal basis asserted for withholding the record. (B) The type of record. (C) The general subject matter. (D) The date, author, and addressee. (E) The relationship of the author and addressee to each other. (F) The custodian of the record. (G) Any other descriptive information that may be produced or disclosed regarding the record that will enable the congressional committee or subcommittee issuing the subpoena to assess the legal basis asserted for withholding the record. (2) Missing records In the case of any record responsive to the subpoena submitted under paragraph (1) that was, but no longer is, in the possession, custody, or control of the subpoena recipient, the subpoena recipient shall identify the record (including the date, author, subject, and each recipient of the record) and explain the circumstances under which the record ceased to be in the possession, custody, or control of the subpoena recipient. (3) Electronic records Electronic records shall be produced pursuant to this subsection in their native or original file format. Electronic records shall be delivered on a storage device (such as compact disk, memory stick, or thumb drive) and, to the extent feasible, shall be organized, identified, and indexed electronically and shall include an index describing the contents of the production. (c) Definitions For purposes of this section the term record includes any books, papers, documents, data, or other objects requested in a subpoena issued by a congressional committee or subcommittee. . (b) Clerical amendment The table of contents for chapter 7 of title II of the Revised Statutes of the United States is amended by adding at the end the following: 105. Response to