Iowa Code 152C.3 - Requirements for licensure 2020 Iowa Code 152C.3 – Requirements for licensure 2009 Iowa Code 152C.3 – Requirements for licensure 2014 Iowa Code 152C.3 – Requirements for licensure. 2016 Iowa Code 152C.3 – Requirements for licensure 2018 Iowa Code 152C.3 – Requirements for licensure