Sections 2104 and 2105 of this title shall not apply to surplus line insurance lawfully effectuated under Chapter 19 of this title, or to reinsurance, or to any action or proceeding against an unauthorized insurer arising out of any of the following where the policy or contract contains a provision designating the Commissioner as its attorney for the acceptance of service of lawful process in any action or proceeding instituted by or on behalf of an insured or beneficiary arising out of any such policy, or where the insurer enters a general appearance in any such action:
(1) Wet marine and transportation insurance;
(2) Insurance on or with respect to subjects located, resident or to be performed wholly outside this State, or on vehicles or aircraft owned and principally garaged outside this State;
(3) Insurance on property or operations of railroads engaged in interstate commerce; or
(4) Insurance on aircraft or cargo of such aircraft, or against liability, other than employer's liability, arising out of the ownership, maintenance or use of such aircraft.