Indiana Code Title 28. Financial Institutions § 28-1-22-28

Sec. 28.  (a) No foreign corporation transacting business in this state without procuring a certificate of admission, or, if such a certificate has been procured, after its certificate of admission has been withdrawn or revoked, shall maintain any suit, action or proceeding in any of the courts of this state upon any demand, whether arising out of contract or tort;  and every such corporation so transacting business shall be liable in an amount not exceeding ten thousand dollars ($10,000), in an action by the attorney general in any county in which the business was transacted.

(b) If any foreign corporation shall transact business in this state without procuring a certificate of admission, or, if a certificate has been procured, after its certificate has been withdrawn or revoked, or shall transact any business not authorized by such certificate, such corporation shall not be entitled to maintain any suit or action at law or in equity upon any claim, legal or equitable, whether arising out of contract or tort, in any court in this state;  and it shall be the duty of the attorney general, upon being advised that any foreign corporation is so transacting business in this state, to bring an action in the circuit court of Marion County for an injunction to restrain it from transacting unauthorized business and for the annulment of its certificate of admission, if one has been procured.