Versions of Iowa Code 20.31 - Mediator privilege on LawServer 2024 Iowa Code 20.31 – Mediator privilege 2023 Iowa Code 20.31 – Mediator privilege 2022 Iowa Code 20.31 – Mediator privilege 2020 Iowa Code 20.31 – Mediator privilege 2018 Iowa Code 20.31 – Mediator privilege 2016 Iowa Code 20.31 – Mediator privilege 2014 Iowa Code 20.31 – Mediator privilege. 2009 Iowa Code 20.31 – Mediator privilege