HB1539

Revenue and taxation; individual income tax; rates; brackets; revenue determinations; effective date.

Chamber Passed·3/26/25

Oklahoma HB1539 amends income tax rates and establishes a mechanism for their reduction based on revenue growth.

Oklahoma HB1539 revises the state's individual income tax rates, introducing new brackets for different income levels and filing statuses. It also sets a procedure for reducing these rates if certain revenue conditions are met. Specifically, the bill mandates a decrease in tax rates if the State Board of Equalization determines that total revenue collections have increased by at least $300 million compared to a base year. This reduction is incremental, occurring in 0.25% increments, and applies to all applicable income tax years until the rates reach zero.

Included in complete analysis

  • Overview
  • Core Provisions
  • Implementation
  • Impact
  • Legal Framework
  • Critical Issues

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Where it stands

Last
Passed the House · 36–9 · Mar 26, 2025
Current
The Senate
Next
Senate floor vote

Sponsors

0
27
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Democratic CaucusRepublican Caucus

Roll Call Votes

36 Yea

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9 Nay

RDRDDDDDD

2 Absent

RD

History

Apr 14, 2025

Senate

Engrossed to House

Apr 14, 2025

House

SA's received

Apr 10, 2025

Senate

Coauthored by Senator McIntosh