Iowa Code § 15.331C
2004 Acts, ch 1003, §3, 12; 2005 Acts, ch 19, § 14; 2005 Acts, ch 150, § 47, 68, 69; 2009 Acts, ch 82, § 4; 2014 Acts, ch 1093, § 4; 2021 Acts, ch 86, § 1, 6, 7, 48; 2022 Acts, ch 1002, § 49, 54, 55; 2022 Acts, ch 1021, § 5, 187; 2022 Acts, ch 1138, §56, 58, 59
Referred to in §15.119, 15.331A, 15.335A, 422.11U, 422.33, 422.60, 432.12H, 533.329
For aggregate limitations on amount of tax credits, see §15.119
2021 amendment applies retroactively to January 1, 2020, for tax years beginning on or after that date; 2021 Acts, ch 86, § 7
2022 amendment to subsection 1 by 2022 Acts, ch 1002, § 49, takes effect January 1, 2023, and applies to tax years beginning on or after that date; 2022 Acts, ch 1002, § 54, 55
2022 amendment to subsections 1 and 2 by 2022 Acts, ch 1138, § 56, applies to claims for refunds filed on or after June 17, 2022; 2022 Acts, ch 1138, § 59