Minn. Stat. § 301.84: OBLIGATIONS ARE LEGAL INVESTMENTS FOR MEMBERS.

Notwithstanding any other statute, the notes or other interest-bearing obligations of any corporation organized under sections 301.71 to 301.84, issued in accordance with sections 301.71 to 301.84 and the articles of incorporation and the bylaws of the corporation shall be legal investments for any banks, savings banks, savings associations, trust companies, stock or mutual insurance companies or other financial institutions which become members of the corporation.