Iowa House Bill HF566

Iowa 2025-2026 Regular Session

• Introduced: 2/24/25
• Refer: 2/24/25

Caption

A bill for an act modifying individual income tax rates and providing tax credits for certain married persons filing a joint return, and including effective date and retroactive applicability provisions.

Summary

HF 566 would substantially change Iowa’s individual income tax structure for certain married couples filing joint returns. Under the bill, married persons filing jointly would pay a 0% income tax rate if they have five or more dependents under age 18, and also if they are filing jointly for the first or second time in their lifetimes. All other taxpayers would remain subject to the current 3.8% individual income tax rate. The bill also creates a new additional dependent tax credit for married joint filers with more than five dependents under age 18, equal to $1,000 for each dependent above five, up to ten dependents. The credit would be refundable, and taxpayers could instead elect to carry any excess credit forward for up to five years. The bill directs the Department of Revenue to adopt rules to administer the new credit and makes conforming changes to withholding and pass-through entity tax provisions that reference the highest individual income tax rate.

Impact

HF 566 would amend Iowa Code sections governing individual income tax rates, withholding, and related entity tax calculations. Its practical effect would be to eliminate state income tax liability for a narrow group of married joint filers and to provide a refundable credit for larger families, while leaving the general 3.8% rate in place for other taxpayers. Because the bill is retroactive to January 1, 2025, it would apply to tax years beginning on or after that date if enacted, potentially affecting current-year returns and withholding calculations.

Sentiment

The available record shows the bill was introduced and referred to the House Ways and Means Committee, but there are no recorded committee transcripts or votes in the provided materials. As a result, there is no documented public debate or recorded sentiment from committee action in the supplied context. The bill’s structure suggests a policy emphasis on tax relief for married families with children and newly married couples.

Contention

The main policy issues likely to draw scrutiny are the bill’s narrow eligibility rules and revenue impact. Supporters would likely favor the targeted tax relief for larger families and newly married taxpayers, while critics may question why the zero-rate treatment is limited to married joint filers, why it applies only to the first or second joint return, and whether the refundable credit and retroactive applicability would significantly reduce state revenue. The retroactive effective date and the preferential treatment of married filers are the most notable potential points of contention.