499.47A  Sale or other disposition of assets in regular course of business and mortgage or pledge of assets.
  The sale, lease, exchange, or other disposition of the property and assets of a cooperative association, when made in the usual and regular course of the business of the cooperative association, and the mortgage or pledge of any or all of the property and assets of the cooperative association, may be made upon such terms and conditions and for such consideration, which may consist in whole or in part of money or property, real or personal, including shares of any other corporation or cooperative association, domestic or foreign, as authorized by its board of directors; and in such case no authorization or consent of the members shall be required.
87 Acts, ch 88, §1