Indiana Code Title 27. Insurance § 27-1-18-4

Sec. 4. (a) Any foreign or alien corporation admitted to do business in this state may alter or enlarge the character of the business which it is authorized to transact in this state under its articles of incorporation or association, and any amendments thereof filed with the department as provided in section 3 of this chapter, by procuring an amended certificate of authority from the department in the manner provided in subsection (b).

(b) Whenever a foreign or alien corporation desires to procure such amended certificate, it shall present to the department at its office, accompanied by the fees prescribed by law, an application for an amended certificate of authority, setting forth the change desired in the kind or kinds of insurance business under its articles of incorporation or association which it intends to thereafter carry on in this state;  the application shall be filed in the form prescribed by the department by the president or a vice president and the secretary or an assistant secretary of the corporation, and verified by the oaths of the officers signing the same.

(c) Upon the presentation of such application, accompanied by the corporation's certificate of authority, the department, if it finds that it conforms to law and that the foreign or alien company has fulfilled the requirements set forth in subsection (b) and in section 3 of this chapter, may endorse its approval upon the application, and, in case of the approval of such application and when all fees required by law shall have been paid, shall file one (1) copy of the application in its office, cancel the certificate of authority presented with the application, and issue to the corporation a new certificate of authority, which certificate shall set forth the kind or kinds of business that the corporation is authorized thereafter to transact in this state, which shall be accompanied by one (1) copy of the application bearing the endorsement of the approval of the department.

(d) Upon the issuance of the new certificate of authority by the department, the corporation named in the certificate of authority shall have authority thereafter to transact in this state the kind or kinds of insurance business set forth in such certificate, subject to the terms and conditions prescribed in this article.