Section Box 206.31 - Reopening of the Record(a) The commission shall, on its own motion or that of any party, order reopening of the record or rehearing where, through accident, mistake or misfortune, justice has not been done and a further hearing would be equitable.(b) If the commission determines that evidence or arguments, not previously considered, are necessary to a full consideration of the issues raised by the appeal and the party was not at fault for failing to submit the evidence or arguments and there is a likelihood that a different result would occur, the record shall be reopened to accept the offered items.(c) The presiding officer shall give written notice of the acceptance into the record of the offered items to all parties of record if the parties are no longer present. The presiding officer shall also set a time within which other parties may respond to or rebut the items made part of the record.N.H. Admin. Code § Box 206.31