A case is opened when the Administrative Procedures Division (APD) assigns a case number and an Administrative Law Judge (ALJ) to the case. Once a case has been opened, parties may share information and perform discovery. During this prehearing period, decisions are made regarding evidence, witnesses, deadlines, and hearing dates. At the hearing or board meeting, each side presents their case to the ALJ, or to a board and ALJ in certain cases. This may include calling witnesses and introducing exhibits. Once the ALJ or board makes a decision on the case, an order is written and sent to all parties explaining the decision. A party that believes there is a reason for the ALJ or board to reconsider the decision may file a Petition for Reconsideration. A party also has the option of filing an appeal to request that a higher court overturn the decision.