(a) Failure to file any paper when due pursuant to this part, may, in the discretion of the Board, constitute a waiver of the right to further participation in the proceedings.

(b) When a petition for review and brief has not been submitted to the Board within the time limitation prescribed by § 802.211, or within an enlarged time limitation granted pursuant to § 802.217, the petitioner shall be ordered to show cause to the Board why his or her appeal should not be dismissed pursuant to § 802.402.