; and (B) reasonable access to any reports or other documents to be used by the Commission in making its determination. (2) Waiver An eligible prisoner may waive notice of a parole determination proceeding, except that if notice is not waived, the proceeding shall be held during the next regularly scheduled proceedings by the Commission at the institution in which the eligible prisoner is confined. (c) Withholding of certain materials (1) In general Subsection (b)(1)(B) shall not apply to— (A) diagnostic opinions which, if made known to the eligible prisoner, could lead to a serious disruption of the institutional program; (B) any document which reveals sources of information obtained upon a promise of confidentiality