Mutual insurance group companies may be managed by a board of directors and a general manager or by a supervisory board and a management board, in accordance with the conditions laid down in sub-section 2 of section 4 of this chapter.
By way of derogation from the first paragraph, the board of directors of a mutual insurance group company shall be composed, in accordance with the procedures laid down in its articles of association, of members appointed by the general meeting, whose number may not be less than five.