Versions of Iowa Code 321.352 - Additional signs -- cost on LawServer 2023 Iowa Code 321.352 – Additional signs — cost 2022 Iowa Code 321.352 – Additional signs — cost. 2020 Iowa Code 321.352 – Additional signs — cost. 2018 Iowa Code 321.352 – Additional signs — cost. 2016 Iowa Code 321.352 – Additional signs 2014 Iowa Code 321.352 – Additional signs – cost. 2009 Iowa Code 321.352 – Additional signs — cost