Prior to the filing of his proposed report a presiding officer, after notice to the participants, may reopen the proceeding for the reception of further evidence on his own motion, if he has reason to believe that conditions of fact or of law have so changed as to require, or that the public interest requires, the reopening of the proceeding.
1 Pa. Code § 35.232
This section cited in 4 Pa. Code §89.33 (relating to decisions); 7 Pa. Code §179.68 (relating to contents and close of the record); 7 Pa. Code §179.71 (relating to reopening of record); 25 Pa. Code §1021.133 (relating to reopening of record prior to adjudication); 28 Pa. Code § 301.7 (relating to fair hearing); 34 Pa. Code §131.101 (relating to briefs, findings of fact and close of record); 51 Pa. Code §21.29 (relating to finality; reconsideration); 52 Pa. Code §5.431 (relating to close of the record); 52 Pa. Code §5.571 (relating to reopening prior to a final decision); 52 Pa. Code §1005.171 (relating to close of the record); 52 Pa. Code §1005.221 (relating to reopening prior to a final decision); 55 Pa. Code §41.201 (relating to reopening of record prior to adjudication); 58 Pa. Code §494a.6 (relating to reopening of record); and 61 Pa. Code §703.41 (relating to request for reconsideration).