Versions of Iowa Code 158.9 - Barbershop licenses on LawServer 2023 Iowa Code 158.9 – Barbershop licenses 2022 Iowa Code 158.9 – Barbershop licenses 2020 Iowa Code 158.9 – Barbershop licenses 2018 Iowa Code 158.9 – Barbershop licenses 2016 Iowa Code 158.9 – Barbershop licenses 2014 Iowa Code 158.9 – Barbershop licenses. 2009 Iowa Code 158.9 – Barbershop licenses