422.12B  Earned income tax credit.
  1.  a.  The taxes imposed under this subchapter less the credits allowed under section 422.12 shall be reduced by an earned income credit equal to the following percentage of the federal earned income credit provided in section 32 of the Internal Revenue Code:
  (1)  For the tax year beginning in the 2013 calendar year, fourteen percent.
  (2)  For tax years beginning on or after January 1, 2014, fifteen percent.
  b.  Any credit in excess of the tax liability is refundable.
  2.  Married taxpayers electing to file separate returns or filing separately on a combined return may avail themselves of the earned income credit by allocating the earned income credit to each spouse in the proportion that each spouse’s respective earned income bears to the total combined earned income. Taxpayers affected by the allocation provisions of section 422.8 shall be permitted a deduction for the credit only in the amount fairly and equitably allocable to Iowa under rules prescribed by the director.
89 Acts, ch 268, §6; 90 Acts, ch 1171, §4; 91 Acts, ch 159, §14; 91 Acts, ch 215, §3; 2000 Acts, ch 1146, §5, 9, 11; 2007 Acts, ch 161, §1, 22; 2013 Acts, ch 123, §70, 71; 2020 Acts, ch 1062, §94
Referred to in §2.48, 422.16
For future amendment to subsection 2, effective January 1, 2023, see 2018 Acts, ch 1161, §123, 133, 134; 
2021 Acts, ch 177, §1
Meaning of “Internal Revenue Code” for tax years beginning during the 2018 calendar year; 
2018 Acts, ch 1161, §62, 66