205 ILCS 5/3

It shall be lawful to form banks, as herein provided, for the purpose of discount and deposit, buying and selling exchange and doing a general banking business, excepting the issuing of bills to circulate as money; and such banks shall have the power to loan money on personal and real estate security, and to accept and execute trusts upon obtaining a certificate of authority pursuant to the "Corporate Fiduciary Act", and shall be subject to all of the provisions of this Act. For purposes of this Section, "real estate" includes a manufactured home as defined in subdivision (53) of Section 9-102 of the Uniform Commercial Code that is real property as defined in Section 5-35 of the Conveyance and Encumbrance of Manufactured Homes as Real Property and Severance Act.