|(a) Reopening a hearing for new evidence. If new evidence is offered which was unobtainable or unavailable at the time of the hearing, and if the board deems that this evidence is necessary to make a fair, proper determination of the case, the board may reopen a hearing, including the new evidence as part of the record. The reopened hearing will be limited to only such new evidence. All previously designated parties will be served official notice of the new hearing. (b) Final orders or decisions. The board or its designee will render the board's final order or decision, in writing. The decision will state the findings of fact and conclusions required by law, either in the body of the order, by attachment, or by reference to an ALJ's proposal for decision. All final orders will be signed by the board chair, and his/her designee, unless otherwise permitted by statute or by these actions. (c) Motion for rehearing. A motion for rehearing shall be governed by the APA or other pertinent statute and shall be filed with the board. (d) Appeals. All appeals from final board orders or decisions shall be governed by the APA or other pertinent statute and shall be addressed to the board.