(a) Upon written motion of a party and a finding of good cause, the court may at any time order that discovery or inspection be denied, restricted, or deferred.
(b) The court may permit a party seeking relief under subsection (a) of this section to submit supporting affidavits or statements to the court for in camera inspection. If thereafter the court enters an order granting relief under subsection (a) of this section, the material submitted in camera must be available to the Court of Appeals in the event of an appeal.