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Washington's Millionaire Tax Faces Legal Battle Over Constitutionality

4/21/2026

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Summary

Story summary

Washington state's 9.9% income tax on earnings over $1 million faces legal challenges.
Critics say the tax violates the state's 1% income tax cap in the constitution.
Curt Nuccitelli, a business owner, says it could harm small businesses by taxing personal income.
The Washington Attorney General's Office defends the law as constitutional.
Attorney Jackson Maynard argues the tax harms competitiveness, citing state Supreme Court precedents.

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Story summary

Washington state's 9.9% income tax on earnings over $1 million faces legal challenges.
Critics say the tax violates the state's 1% income tax cap in the constitution.
Curt Nuccitelli, a business owner, says it could harm small businesses by taxing personal income.
The Washington Attorney General's Office defends the law as constitutional.
Attorney Jackson Maynard argues the tax harms competitiveness, citing state Supreme Court precedents.