Section 20-9-621 - Permanent fund(1) The public school fund provided for in Article X, section 2, of the Montana constitution consists of the permanent fund, which consists of the permanent corpus fund.(2) The permanent fund must be invested for the purpose of generating future income for distribution to public elementary and secondary school districts as provided in Article X, section 5, of the Montana constitution.En. Sec. 2, Ch. 418, L. 2001.