“ In any prosecution in which the United States must establish that material relates to the national defense or constitutes classified information, the United States shall notify the defendant, within the time before trial specified by the court, of the portions of the material that it reasonably expects to rely upon to establish the national defense or classified information element of the offense. ”

“ An interlocutory appeal by the United States taken before or after the defendant has been placed in jeopardy shall lie to a court of appeals from a decision or order of a district court in a criminal case authorizing the disclosure of classified information, imposing sanctions for nondisclosure of classified information, or refusing a protective order sought by the United States to prevent the disclosure of classified information. ”

“ No defendant shall disclose any information known or believed to be classified in connection with a trial or pretrial proceeding until notice has been given under this subsection and until the United States has been afforded a reasonable opportunity to seek a determination pursuant to the procedure set forth in section 6 of this Act, and until the time for the United States to appeal such determination under section 7 has expired or any appeal under section 7 by the United States is decided. ”