This regulation shall not apply to a health service corporation or an insurer authorized to transact business under a certificate of authority issued by the Commissioner when such health service corporation or insurer operates a dental plan or a dental organization. Any subsidiary or any other entity established by a health service corporation or an insurer meeting the aforementioned requirement which does not possess a certificate of authority and which operates a dental plan or dental plan organization shall obtain a certificate of authority pursuant to this regulation.
18 Del. Admin. Code § 1402-4.0