Versions of Iowa Code > Chapter 28J - Port Authorities on LawServer 2023 Iowa Code > Chapter 28J – Port Authorities 2022 Iowa Code > Chapter 28J – Port Authorities 2020 Iowa Code > Chapter 28J – Port Authorities 2018 Iowa Code > Chapter 28J – Port Authorities 2016 Iowa Code > Chapter 28J – Port Authorities 2014 Iowa Code > Chapter 28J – Port authorities 2009 Iowa Code Chapter 28J – Port authorities