Versions of Iowa Code 212.1 - Definitions on LawServer 2024 Iowa Code 212.1 – Definitions 2023 Iowa Code 212.1 – Definitions 2022 Iowa Code 212.1 – Definitions 2020 Iowa Code 212.1 – Definitions 2018 Iowa Code 212.1 – Definitions 2016 Iowa Code 212.1 – Coal, charcoal, and coke 2014 Iowa Code 212.1 – Coal, charcoal, and coke. 2009 Iowa Code 212.1 – Coal, charcoal, and coke