For purposes of this chapter, a council of governments includes the following areas established by executive order number 11, 1968 or a chapter 28E agreement:
Iowa Code § 28H.1
Referred to in §28H.3
Boone, Dallas, Jasper, Marion, Polk, Story, and Warren counties, or combinations of these, may form councils of governments or associate with any existing councils of governments; 90 Acts, ch 1157, §6; 90 Acts, ch 1262, §41