205 ILCS 645/7
A foreign banking corporation holding a certificate of authority issued pursuant to this Act, whenever its articles of incorporation are amended, shall forthwith file in the office of the Commissioner a copy of such amendment duly authenticated by the proper officer of the country under which such foreign banking corporation was organized, but the filing thereof may not of itself enlarge or alter the purpose or purposes for which such foreign banking corporation is authorized to pursue in the transaction of its banking business in this State, nor authorize such foreign banking corporation to transact banking business in this State in any other name than the name set forth in its certificate of authority, nor extend the duration of its corporate existence.
205 ILCS 645/7