Delaware Code
Chapter 5. AUTHORIZATION OF INSURERS AND GENERAL REQUIREMENTS
§ 505. Certificate of authority required.

(a) No person shall act as an insurer and no insurer shall transact insurance in this State by mail or otherwise, except as authorized by a subsisting certificate of authority granted to it by the Commissioner and except as to such transactions as are expressly otherwise provided for in this title.
(b) No insurer formed under the laws of this State and no insurer from offices or with personnel or facilities located in this State shall solicit insurance applications or otherwise transact insurance in another state or country unless it holds a subsisting certificate of authority granted to it by the Commissioner authorizing it to transact the same kind or kinds of insurance in this State.
(c) Any wilful violation of this section by a domestic corporation shall constitute misuse of its corporate powers, and the Attorney General shall proceed for the forfeiture of its charter under § 284 of Title 8.
(d) Notwithstanding any other provision of law, and except as provided herein, any person or other entity which provides coverage in this State for medical, surgical, chiropractic, physical therapy, speech pathology, audiology, professional mental health, dental, hospital or optometric expenses, whether such coverage is by direct payment, reimbursement or otherwise, shall be presumed to be subject to the jurisdiction and authority of the Commissioner unless the person or other entity shows that while providing such services it is subject to the jurisdiction of another agency of this or another state, any subdivisions thereof, or the federal government. The jurisdiction and authority of the Commissioner shall be governed by the following provisions:

(1) A person or entity may show that it is subject to the jurisdiction of another agency of this or another state, any subdivision thereof, or the federal government by providing the Commissioner the appropriate certificate, license or other document issued by the other governmental agency which permits or qualifies it to provide those services.
(2) Any person or entity which is unable to show that it is subject to the jurisdiction of another agency of this or another state, any subdivision thereof or the federal government shall submit to an examination by the Commissioner to determine the organization and solvency of the person or the entity, and to determine whether or not such person or entity is in compliance with the applicable provisions of this Code.
(3) Any person or entity unable to show that it is subject to the jurisdiction of another agency of this or another state, any subdivision thereof or the federal government shall be subject to all appropriate provisions of this Code regarding the conduct of its business.
(4) Any production agency or administrator which advertises, sells, transacts or administers coverage in this State, described in this subsection, which is provided by any person or entity described in paragraph (d)(2) of this section shall, if that coverage is not fully insured or otherwise fully covered by an admitted life or disability insurer, nonprofit hospital service plan or nonprofit health-care plan, advise any purchaser, prospective purchaser and covered person of such lack of insurance or other coverage.
(5) Any administrator which advertises or administers coverage in this State, described in this subsection, which is provided by any person or entity described in paragraph (d)(2) of this section, shall advise any production agency of the elements of the coverage including the amount of “stop-loss” insurance in effect.

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