2020 Iowa Code 17A.6 – Publications — copy of standards adopted by reference.

2009 Iowa Code 17A.6 – Publications — copy of standards adopted by reference

2014 Iowa Code 17A.6 – Publications – copy of standards adopted by reference.

2016 Iowa Code 17A.6 – Publications

2018 Iowa Code 17A.6 – Publications — copy of standards adopted by reference.