Michigan 2025-2026 Regular Session Status: Introduced 1 D cosponsors

SB 508 — Law enforcement: other; immigration enforcement at certain locations; prohibit in certain circumstances. Creates new act.

Last action — REFERRED TO COMMITTEE OF THE WHOLE WITH SUBSTITUTE (S-3)

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  1. 1
    Introduced
  2. 2
    In Committee
  3. 3
    Passed Senate
  4. 4
    Passed House
  5. 5
    To Executive
  6. 6
    Enacted

This bill has been introduced in the Senate. Introduced March 25, 2026. It must pass committee before a floor vote.

Next likely step: a committee referral and hearing.

Prognosis

Not enough signal yet

Where this bill stands today.

Odds of enactment

Low

How often bills like it became law.

Not enough signal yet to read this bill's trajectory — we surface a likelihood only once there's real movement (stage, sponsorship, committee, or votes) to point to.

Prognosis reads this bill's own signals — stage, sponsorship breadth, committee status, recorded votes and cross-state momentum. Odds come from a model trained on which bills have become law.

Summary

Law enforcement: other; immigration enforcement at certain locations; prohibit in certain circumstances. Creates new act.

Bill Text

Action History

  1. 3/25/2026 - REFERRED TO COMMITTEE OF THE WHOLE WITH SUBSTITUTE (S-3)

Sponsors

Sponsorship breakdown

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1 sponsors · 0 co-sponsors · 146 not signed on

Sponsors (1)

Co-sponsors (0)

None.

Not signed on (146)

146 members have not signed on to this bill.

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"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

public-safety immigration
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does SB 508 do?
Law enforcement: other; immigration enforcement at certain locations; prohibit in certain circumstances. Creates new act.
Who sponsors SB 508?
SB 508 is sponsored by Mary Cavanagh (Democrat).
What is the current status of SB 508?
This bill has been introduced in the Senate. Introduced March 25, 2026. It must pass committee before a floor vote.
Where can I track SB 508?
Track SB 508 free on One Click Politics — get push/email alerts when it moves.

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Last checked for changes 3 months ago · updated continuously

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