(2) A mutual bank holding company may acquire or invest in the stock of one or more stock savings banks.
(3) A mutual bank holding company may merge with or acquire another mutual bank holding company.
(4) A mutual bank holding company formed under this section shall be subject to the provisions of this chapter.
(5) The director is authorized to adopt rules to carry out the provisions of this section. [1997 c.631 §330a; 2001 c.377 §32]