38 CFR §20.712

1. (a)General. All Board hearings will be recorded. The Board will prepare a written transcript for each Board hearing conducted. The transcript will be the official record of the hearing and will be incorporated as a part of the record on appeal. The Board will not accept alternate transcript versions prepared by the appellant or representative.
2. (b)Hearing recording. The recording of the Board hearing will be retained for a period of 12 months following the date of the Board hearing as a duplicate record of the proceeding.
3. (c)Copy of written transcript. If the appellant or representative requests a copy of the written transcript in accordance with § 1.577 of this chapter, the Board will furnish one copy to the appellant or representative.