Prior to appointing any hearing officer to conduct a due process hearing provided for under this act, the agency shall make its list of hearing officers available to the parent of the involved child and shall inform the parent of the right to request disqualification of any or all of the hearing officers on the list and to request the state board to appoint a hearing officer in accordance with the procedure provided in this subsection. If the parent does not give written notice of disqualification to the agency within five days after the parent receives the list, the agency may appoint from its list any hearing officer whom the parent has not requested to be disqualified. If the parent requests disqualification of all of the hearing officers and requests the appointment of a hearing officer by the state board, the agency shall immediately notify the state board and shall request the state board to appoint a hearing officer.