A bill for an act relating to state income tax withholdings on winnings from sports wagering, and including effective date provisions. (Formerly SSB 1152.) Effective date: 01/01/2026.

IA SF605 is a bill that changes how state income tax is withheld from winnings earned through sports betting. It specifies new rules for tax withholdings starting from January 1, 2026. This bill aims to clarify the tax process for individuals who win money from sports wagering.

Supporters of IA SF605 argue that the bill simplifies the tax withholding process for sports betting winnings, making it easier for individuals to understand their tax obligations. They believe it encourages responsible gambling and ensures that the state receives its fair share of revenue from this growing industry.

Critics of IA SF605 may contend that the new tax withholding rules could create confusion and burden for sports bettors, particularly those who may not be familiar with tax regulations. They might also argue that it could discourage participation in sports wagering, impacting local businesses that benefit from this activity.