Versions of Iowa Code > Chapter 154B - Psychology on LawServer 2023 Iowa Code > Chapter 154B – Psychology 2022 Iowa Code > Chapter 154B – Psychology 2020 Iowa Code > Chapter 154B – Psychology 2018 Iowa Code > Chapter 154B – Psychology 2016 Iowa Code > Chapter 154B – Psychology 2014 Iowa Code > Chapter 154B – Psychology 2009 Iowa Code Chapter 154B – Psychology