Versions of Iowa Code 423.19 - Direct mail sourcing on LawServer 2023 Iowa Code 423.19 – Direct mail sourcing 2022 Iowa Code 423.19 – Direct mail sourcing 2020 Iowa Code 423.19 – Direct mail sourcing 2018 Iowa Code 423.19 – Direct mail sourcing 2016 Iowa Code 423.19 – Direct mail sourcing 2014 Iowa Code 423.19 – Direct mail sourcing. 2009 Iowa Code 423.19 – Direct mail sourcing