National Law Review
6/29/2026

Massachusetts High Court Keeps Income Tax Rate Reduction Initiative Off 2026 Ballot
Short summary
Massachusetts's highest court blocked a ballot initiative to reduce the state's income tax from 5% to 4% because the attorney general's official summary was materially misleading—it omitted that the reduction would also apply to long-term capital gains. The court found no process exists to fix the summary after signatures are collected. The decision highlights how ballot initiatives have become Massachusetts's primary vehicle for major tax policy changes.
- •Court ruled attorney general's summary was materially misleading about capital gains impact
- •Initiative cannot appear on November 2026 ballot due to procedural defect
- •Massachusetts ballot initiatives now drive major tax policy changes more than legislative process
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