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S12 • 2025

Proposal for a legislative amendment to the Constitution to cap the state income tax

Proposal for a legislative amendment to the Constitution to cap the state income tax

Taxes
Active

The official status still shows this bill as active or still awaiting another formal step.

Sponsor
Bruce E. Tarr
Last action
2026-04-08
Official status
Joint session held and recessed to Wednesday, October 28, 2026
Effective date
Not listed

Plain English Breakdown

Using official source text because the generated explanation was unavailable or could not be confirmed against the official bill text.

Proposal for a legislative amendment to the Constitution to cap the state income tax

Proposal for a legislative amendment to the Constitution to cap the state income tax By Mr.

What This Bill Does

  • Proposal for a legislative amendment to the Constitution to cap the state income tax By Mr.
  • Tarr, a petition (accompanied by proposal for constitutional amendment, Senate, No.
  • 12) of Bruce E.
  • Tarr for a legislative amendment to the Constitution to cap the state income tax.

Limits and Unknowns

  • This entry is temporarily using official source text because the generated explanation could not be confirmed against the official bill text during the last sync.

Bill History

  1. 2026-04-08 Joint

    Joint session held and recessed to Wednesday, October 28, 2026

  2. 2025-10-09 Joint

    Joint session held and recessed to Wednesday, April 8, 2026

  3. 2025-10-06 Joint

    Order relative to session adopted and recessed to Thursday, October 9, 2025 at 11:30AM

  4. 2025-05-14 Joint

    Joint session held and recessed to Wednesday, October 8, 2025

  5. 2025-05-12 Senate

    Called for consideration in the joint session

  6. 2025-05-01 Senate

    Proposal for Constitutional Amendment reported adversely by committee and placed on file

  7. 2025-05-01 House

    Placed on file, in concurrence

  8. 2025-03-20 Joint

    Hearing scheduled for 03/25/2025 from 01:00 PM-05:00 PM in A-1

  9. 2025-03-03 Senate

    Referred to the committee on Revenue

  10. 2025-03-03 House

    House concurred

Official Summary Text

Proposal for a legislative amendment to the Constitution to cap the state income tax
By Mr. Tarr, a petition (accompanied by proposal for constitutional amendment, Senate, No. 12) of Bruce E. Tarr for a legislative amendment to the Constitution to cap the state income tax. Revenue.

Current Bill Text

Read the full stored bill text 
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Bill S.12

Article 44 of the Massachusetts Constitution is hereby amended by adding the following paragraph at the end thereof:-

In addition to the taxes on income otherwise authorized under this Article, the tax on that portion of annual taxable income shall not be in excess of 6.25 per cent reported on any return related to those taxes. This paragraph shall apply to all tax years beginning on or after January 1, 2025.

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