(1) A foreign corporation may not transact business in this state until it obtains a certificate of authority from the Secretary of State.
(2) The following activities, among others, do not constitute transacting business within the meaning of subsection (a) of this section: Maintaining, defending, or settling any proceeding;
(3) Holding meetings of the board of directors or shareholders, or carrying on other activities concerning internal corporate affairs;
(4) Maintaining bank accounts;
(5) Maintaining offices or agencies for the transfer, exchange, and registration of the corporation's own securities or maintaining trustees or depositaries with respect to those securities;
(6) Selling through independent contractors;
(7) Soliciting or obtaining orders, whether by mail or through employees or agents or otherwise, if the orders require acceptance outside this state before they become contracts;
(8) Creating or acquiring indebtedness, mortgages, and security interests in real or personal property;
(9) Securing or collecting debts or enforcing mortgages and security interests in property securing the debts;
(10) Owning, without more, real or personal property;
(11) Conducting an isolated transaction that is completed within thirty (30) days and that is not one in the course of repeated transactions of a like nature;
(12) Transacting business in interstate commerce.
(13) The list of activities in subsection (b) of this section is not exhaustive.