37 C.F.R. § 351.13 Closing the record.
Title 37 - Patents, Trademarks, and Copyrights
To close the record of a hearing, the Chief Judge shall make an announcement that the taking of testimony has concluded. In its discretion the Copyright Royalty Board may close the record as of a future specified date, and all time for exhibits yet to be prepared to be admitted, provided that the parties to the proceeding stipulate on the record that they waive the opportunity to cross-examine or present evidence with respect to such exhibits. The record in any hearing that has recessed may not be closed by the Chief Judge before the day on which the hearing is to resume, except upon ten days' notice to all parties.
Title 37: Patents, Trademarks, and Copyrights
PART 351—PROCEEDINGS
§ 351.13 Closing the record.