HB0666 — Research Facilities and Testing Facilities That Use Animals - Prohibitions and Adoption Requirements (Animal Research Modernization and Best Practices Act of 2026)
Last action — Committee Report (House of Origin) — Favorable with Amendments
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1Introduced
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2In Committee
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3Passed House of Delegates
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4Passed Senate
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5To Executive
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6Enacted
This bill has been introduced in the House of Delegates. Introduced January 30, 2026. It must pass committee before a floor vote.
Next likely step: a committee referral and hearing.
Prognosis
Where this bill stands today.
Odds of enactment
LowHow often bills like it became law.
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Introduced
Current position in the legislative process.
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12 sponsors
1 primary, 11 co-sponsors signed on.
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Single-party support
Sponsorship is currently within one party (9 D).
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Cleared a recorded vote
Passed 1 recorded vote so far.
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
Prohibiting a research facility or a testing facility from using certain dogs and cats for research or testing purposes; prohibiting a research facility or testing facility from performing devocalization procedures on dogs or cats; prohibiting a testing facility from using traditional animal test methods under certain circumstances; applying certain provisions of law regarding the adoption of dogs and cats used for scientific research purposes to testing facilities; etc.
Bill Text
We don't have the full text on file for this bill yet.
Read HB0666 on the official Maryland source →Action History
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Committee Report (House of Origin) — Favorable with Amendments
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Third Reading (House of Origin) — Passed
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First Reading (Opposite House)
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Second Reading (House of Origin) — Passed with Amendments
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Hearing (Primary, House of Origin)
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First Reading (House of Origin)
Sponsors
- Delegate Holmes · Cosponsor
- Delegate Lewis · Cosponsor
- Delegate Bonnie Cullison · Primary
- Delegate Nick Allen · Cosponsor
- Delegate Dylan Behler · Cosponsor
- Delegate Linda Foley · Cosponsor
- Delegate Michele Guyton · Cosponsor
- Delegate Anne Healey · Cosponsor
- Delegate Darrell Odom · Cosponsor
- Delegate Dana Stein · Cosponsor
- T. Morgan · Cosponsor
- Delegate Natalie Ziegler · Cosponsor
Sponsorship breakdown
Export CSV (upgrade) →1 sponsors · 11 co-sponsors · 176 not signed on · 12 voted No
Sponsors (1)
- Delegate Bonnie Cullison Democrat
Co-sponsors (11)
- Delegate Holmes
- Delegate Lewis
- Delegate Nick Allen Democrat
- Delegate Dylan Behler Democrat
- Delegate Linda Foley Democrat
- Delegate Michele Guyton Democrat
- Delegate Anne Healey Democrat
- Delegate Darrell Odom Democrat
- Delegate Dana Stein Democrat
- Morgan, T.
- Delegate Natalie Ziegler Democrat
Not signed on (176)
176 members have not signed on to this bill.
Show all 176 →"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.
Votes
| Party | Yea | Nay | Present | Not Voting |
|---|---|---|---|---|
| Unaffiliated | 11 | 2 | 0 | 1 |
| Democrat | 88 | 0 | 0 | 5 |
| Republican | 22 | 11 | 0 | 1 |
| Total | 121 | 13 | 0 | 7 |
| % of votes cast | 86% | 9% | 0% | 5% |
How each member voted (141)
Subjects
Frequently asked questions
- What does HB0666 do?
- Prohibiting a research facility or a testing facility from using certain dogs and cats for research or testing purposes; prohibiting a research facility or testing facility from performing devocalization procedures on dogs or cats; prohibiting a testing facility from using traditional animal test methods under certain circumstances; applying certain provisions of law regarding the adoption of dogs and cats used for scientific research purposes to testing facilities; etc.
- Who sponsors HB0666?
- HB0666 is sponsored by Delegate Holmes, Delegate Lewis, Delegate Bonnie Cullison (Democrat), Delegate Nick Allen (Democrat), Delegate Dylan Behler (Democrat), Delegate Linda Foley (Democrat), Delegate Michele Guyton (Democrat), Delegate Anne Healey (Democrat), Delegate Darrell Odom (Democrat), Delegate Dana Stein (Democrat), Morgan, T., and Delegate Natalie Ziegler (Democrat).
- What is the current status of HB0666?
- This bill has been introduced in the House of Delegates. Introduced January 30, 2026. It must pass committee before a floor vote.
- Where can I track HB0666?
- Track HB0666 free on One Click Politics — get push/email alerts when it moves.
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