Retirement savings contribution credit - head of household

The adjusted gross income limitation under Section 25B(b)(1)(A) for determining the retirement savings contribution credit for taxpayers filing as head of household is increased from $27,000 to $27,375; the limitation under Section 25B(b)(1)(B) is increased from $29,250 to $29,625; and the limitation under Sections 25B(b)(1)(C) and 25B(b)(1)(D) is increased from $45,000 to $45,750.