(1) A party desiring to disqualify a hearing examiner on an unfair labor practice case must, within 5 days from receipt of information notifying that party of the appointment of the hearing examiner, file with the board a written request to disqualify the appointed hearing examiner.

(2) If several parties to an unfair labor practice proceeding disqualify the first appointed hearing examiner, then all parties, other than the party who first exercises the right, shall still retain their right to disqualify one succeeding, appointed hearing examiner, subject to the conditions of subsection (1) , of this rule. Upon the filing of a timely, written request to disqualify a hearing examiner, the hearing examiner shall take no further action in that case.

(3) If several unfair labor practices are being heard together in one proceeding, each party still has only one peremptory challenge to a hearing examiner for each proceeding. Requests for Mediation