Whenever the articles of incorporation of a foreign electric cooperative authorized to transact business in this state are amended, such foreign electric cooperative shall, within 30 days after such amendment becomes effective, file in the office of the Secretary of State a copy of such amendment or, in lieu thereof, if provided for by its jurisdiction of incorporation, a copy of its restated, composite, or consolidated articles of incorporation reflecting such amendment, duly certified by the proper officer of its jurisdiction of incorporation; but the filing thereof shall not of itself enlarge or alter the purpose or purposes which such foreign electric cooperative is authorized to pursue in the transaction of business in this state, nor authorize such foreign electric cooperative to transact business in this state under any other name than the name set forth in its certificate of authority.