Regulations adopted pursuant to section 28A.10 shall be contained in an ordinance which shall be placed on file in the office of the authority in typewritten or printed form for public inspection not less than fifteen days before adoption. The ordinance may impose fines as the board deems appropriate of not more than one hundred dollars upon conviction or guilty plea for each violation, and may provide that, in case of continuing violation, each day during which a violation occurs or continues constitutes a separate offense.
Iowa Code § 28A.11
91 Acts, ch 198, §10