Versions of Iowa Code 256.43 - Online learning program model on LawServer 2023 Iowa Code 256.43 – Online learning program model 2022 Iowa Code 256.43 – Online learning program model 2020 Iowa Code 256.43 – Online learning program model 2018 Iowa Code 256.43 – Online learning program model 2016 Iowa Code 256.43 – Online learning program model 2014 Iowa Code 256.43 – Online learning program model.