(e) To rule on all motions permitted pursuant to § 12.205;
(f) To issue default orders for good cause against parties who fail to participate in the proceeding or to comply with these rules;
(g) If an oral hearing is ordered, to preside at the hearing, which shall include the authority to receive relevant evidence, to administer oaths and affirmations, to examine witnesses, and to rule on offers of proof;
(h) To issue subpoenas in accordance with the provisions of §§ 12.34, 12.36 and 12.209 of these rules;
(i) To make the initial decision in accordance with § 12.210 of these rules; and
(j) To issue such orders as are necessary and appropriate to effectuate the orderly conduct of the proceeding.