Versions of Iowa Code 512B.19 - The benefit contract on LawServer 2023 Iowa Code 512B.19 – The benefit contract 2022 Iowa Code 512B.19 – The benefit contract 2020 Iowa Code 512B.19 – The benefit contract 2018 Iowa Code 512B.19 – The benefit contract 2016 Iowa Code 512B.19 – The benefit contract 2014 Iowa Code 512B.19 – The benefit contract. 2009 Iowa Code 512B.19 – The benefit contract