(a) The Commissioner may, after notice and hearing, issue such rules and regulations as the Commissioner deems appropriate for the supervision of this chapter.
(b) Whenever the Commissioner finds that there has been a violation of this chapter or any rules or regulations issued pursuant thereto, and after written notice thereof and hearing given to the insurer or other person authorized or licensed by the Commissioner, the Commissioner may impose an administrative penalty in accordance with § 329 of this title. The Commissioner, in his or her discretion, may revoke or suspend the license or certificate of authority of the person, firm or corporation guilty of repeated wilful violations.
(c) Before the Commissioner may impose or order a penalty pursuant to this section, the violator shall be given notice of the violation and an opportunity to be heard at a public hearing. The procedures for such notice and hearing, and any appeal from the Commissioner's decision shall be the same as set forth in the Delaware Administrative Procedures Act, Chapter 101 of Title 29.
(d) The Commissioner may set forth by regulation prima facie reasonable premium rates, together with corresponding safe-harbor benefit provisions, which premium rates shall be conclusively presumed reasonable in relation to the benefits provided when used for policies containing such benefit provisions.