EnactedFiled Feb 4, 2026
Sponsor: Jamie Pedersen (D)
Latest Action
Effective date 6/11/2026*.
Mar 30, 2026
Summary
The bill adds a new tax on individuals whose Washington taxable income reaches at least $1 million, using a modified version of federal adjusted gross income to calculate liability. It sets up filing, payment, credit, and enforcement rules, and directs the revenue to the state general fund for sales‑and‑use‑tax relief. The measure takes effect on June 11 2026.
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