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

Introduced

In Committee

Floor

Crossed Over

Passed

Enacted

Overview Bill text 1 History 10 Sponsors

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.

Chamber: Senate
Introduced: Mar 3, 2025
Last action: Apr 8, 2026 — Joint session held and recessed to Wednesday, October 28, 2026
Session: 194th
Momentum: 35 · Low

PASSAGE PROBABILITY

1% Unlikely

Why this number

Stage base In Committee — base rate 4%, measured from MA's completed sessions
Momentum -3 35/100 from the pace of recorded action
Time since last action -22 188 days quiet

A transparent scoring model over stage, momentum, recency, sponsorship and recorded votes — not a trained predictor. Treat it as a way to rank attention, not as a forecast.