2024 Iowa Code 279.50 – Human growth and development instruction — early intervention programs

2023 Iowa Code 279.50 – Human growth and development instruction — early intervention programs

2022 Iowa Code 279.50 – Human growth and development instruction

2020 Iowa Code 279.50 – Human growth and development instruction

2018 Iowa Code 279.50 – Human growth and development instruction

2016 Iowa Code 279.50 – Human growth and development instruction

2014 Iowa Code 279.50 – Human growth and development instruction.

2009 Iowa Code 279.50 – Human growth and development instruction