(a) The governor shall designate a geographical area in the state as a cultural basin if:
(1) there is a commonality within the area, based on cultural, historical, and economic factors;
(2) the areas of commonality within the proposed cultural basin are contiguous; and
(3) state planning regions may be used as building blocks for the formation of the cultural basin.
(b) The governor shall designate no fewer than four and no more than seven cultural basins.
(c) Each of three major metropolitan areas should be in separate cultural basins.