Versions of Iowa Code 135H.3 - Nature of care on LawServer 2023 Iowa Code 135H.3 – Nature of care 2022 Iowa Code 135H.3 – Nature of care 2020 Iowa Code 135H.3 – Nature of care 2018 Iowa Code 135H.3 – Nature of care 2016 Iowa Code 135H.3 – Nature of care 2014 Iowa Code 135H.3 – Nature of care. 2009 Iowa Code 135H.3 – Nature of care