Iowa Code § 257.40
89 Acts, ch 135, §40; 2006 Acts, ch 1152, §28; 2007 Acts, ch 22, §60; 2013 Acts, ch 121, §37, 42; 2015 Acts, ch 140, §40, 58, 59; 2018 Acts, ch 1112, §7, 18; 2020 Acts, ch 1093, §2, 4, 5
Referred to in §257.10, 257.11, 257.31, 298A.2
2020 amendment applies retroactively to January 1, 2020, for requests for modified supplemental amounts filed on or after that date; 2020 Acts, ch 1093, §5