(b) Notwithstanding the foregoing, up to 75 percent of the market value of the assets of the special fund, not including any money market mutual funds, may be invested in open-end investment companies registered under the federal Investment Company Act of 1940, if the portfolio investments of the investment companies comply with the type of securities authorized for investment under section 356A.06, subdivision 7.
(c) Securities held by the associations before June 2, 1989, that do not meet the requirements of this section may be retained after that date if they were proper investments for the association on that date.
(d) The governing board of the association may select and appoint investment agencies to act for and in its behalf or may certify special fund assets for investment by the State Board of Investment under section 11A.17.
(e) The governing board of the association may certify general fund assets of the relief association for investment by the State Board of Investment in fixed income pools or in a separately managed account at the discretion of the State Board of Investment as provided in section 11A.14.
(f) The governing board of the association may select and appoint a qualified private firm to measure management performance and return on investment, and the firm shall use the formula or formulas developed by the state board under section 11A.04, clause (11).