Prior to making certain final decisions and final approvals on proposed charters, Iowa statutes require public comment in some cases. See e.g. Iowa Code § 331.235(2) and § 457B.1.
However, generally, the Open Meetings Act does not require the government to allow any individual or group to be heard on the subject being considered. 1985 WL 549176 (Iowa A.G.). See also, Dobrovolny v. Reinhardt, 173 N.W.2d 837, 840-41 (Iowa 1970).