Ind. Code § 23-5-2-3
Every such association shall file their articles of incorporation in the recorder's office of the county in which such association may be formed; and, upon the expense of filing and recording being paid, the recorder shall record the same in the miscellaneous book of records in the recorder's office, and such records, or a certified copy thereof, as against the subscribers of such articles of incorporation, shall be conclusive evidence of the matters and things recited in the records. Such articles may be amended from time to time in such manner as may be prescribed in the original articles of association; and amendments so made shall go into effect when filed and recorded in the recorder's office of such county. However, no such amendments shall be allowed or made which shall change the objects of any such association as defined in the original articles of association, nor add another and different object than those originally specified as required by this section.
IC 23-5-2-3