(215 ILCS 5/5)
(from Ch. 73, par. 617)
(1) All Companies now or hereafter authorized to transact business in
this State shall be classified according to their functions into one or
more of the classes of insurance enumerated in section 4.
(2) No company shall be authorized to transact any kind or kinds of
business other than those enumerated in its respective class, or classes,
except as otherwise specifically provided in this Code, but any company,
upon complying with all applicable provisions of this Code, may be
authorized to transact all or any part of its business on the basis of
reinsurance, except that no certificate of authority shall be limited in
whole or in part to reinsurance unless the restriction as to such
reinsurance is expressed in the articles of incorporation of said company.
(Source: Laws 1959, p. 638.)