;(c) To take such action as is appropriate pursuant to ??12.35 if a party fails to comply with a discovery order, or an order issued pursuant to ??12.34 of these rules;(d) [Reserved](e) In his discretion, to conduct pre-decision conferences, for the purposes prescribed in ??12.303, at any time after a proceeding has commenced pursuant to ??12.26(c);(f) To issue pre-hearing orders as required by ??