Versions of Iowa Code 12B.18 - Delivery to treasurer on LawServer 2023 Iowa Code 12B.18 – Delivery to treasurer 2022 Iowa Code 12B.18 – Delivery to treasurer 2020 Iowa Code 12B.18 – Delivery to treasurer 2018 Iowa Code 12B.18 – Delivery to treasurer 2016 Iowa Code 12B.18 – Delivery to treasurer 2014 Iowa Code 12B.18 – Delivery to treasurer. 2009 Iowa Code 12B.18 – Delivery to treasurer