HB 0166 — AN ACT to amend Tennessee Code Annotated, Title 2, Chapter 16 and Title 3, Chapter 1, relative to redistricting.
Last action — Effective date(s) 04/16/2026
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✓Introduced
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✓In Committee
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✓Passed House
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✓Passed Senate
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✓To Executive
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6Enacted
This bill has been enacted into law. Introduced January 15, 2025. Enacted.
Signed by Governor Bill Lee (Republican) on April 06, 2026.
Odds of enactment
High chanceBased on the sponsor, cosponsors, and committee posture, this bill has a high chance of becoming law.
Upgrade to see the exact probability and what's driving it.
A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.
Prognosis
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Enacted
Current position in the legislative process.
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2 sponsors
1 primary, 1 co-sponsors signed on.
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Single-party support
Sponsorship is currently within one party (2 R).
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Cleared a recorded vote
Passed 3 recorded votes so far.
Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.
Summary
Redistricting, Legislative - As enacted, adds that geographic descriptions affecting part of the boundary line between Fayette County and Shelby County are to be construed as the boundary line when census descriptions, counties, voting districts (VTDs), tracts, blocks, census delineations, census district lines, and other census designations are those established for or by the United States department of commerce, bureau of the census, for taking the 2020 federal decennial census in this state as contained in the topologically integrated geographic encoding and referencing system for the composition of state congressional districts, state senatorial districts, and state house of representative districts. - Amends TCA Title 2, Chapter 16 and Title 3, Chapter 1.
Bill Text
- Full text View text Current pdf
Action History
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Filed for introduction
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Introduced, Passed on First Consideration
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Passed on Second Consideration, refer to Senate Judiciary Committee
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Placed on Senate Judiciary Committee calendar for 3/23/2026
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Sponsor(s) Added.
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Action deferred in Senate Judiciary Committee to 3/24/2026
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Placed on Senate Judiciary Committee calendar for 3/24/2026
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Recommended for passage with amendment/s, refer to Senate Calendar Committee Ayes 9, Nays 0 PNV 0
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Placed on Senate Regular Calendar for 3/30/2026
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Companion House Bill substituted
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Sponsor(s) Added.
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Comp. became Pub. Ch. 742
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Filed for introduction
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Intro., P1C.
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P2C, ref. to State & Local Government Committee
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Assigned to s/c Public Service Subcommittee
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Sponsor(s) Added.
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Placed on s/c cal Public Service Subcommittee for 3/4/2026
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Rec for pass if am by s/c ref. to State & Local Government Committee
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Placed on cal. State & Local Government Committee for 3/11/2026
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Rec. for pass. if am., ref. to Calendar & Rules Committee
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Placed on cal. Calendar & Rules Committee for 3/12/2026
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H. Placed on Regular Calendar for 3/16/2026
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H. adopted am. (Amendment 1 - HA0669)
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Passed H., as am., Ayes 93, Nays 0, PNV 0
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Engrossed; ready for transmission to Sen.
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Received from House, Passed on First Consideration
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Senate substituted House Bill for companion Senate Bill.
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Amendment withdrawn. (Amendment 1 - SA0930)
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Passed Senate, Ayes 32, Nays 0
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Enrolled; ready for sig. of H. Speaker.
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Signed by H. Speaker
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Signed by Senate Speaker
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Transmitted to Governor for his action.
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Signed by Governor.
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Pub. Ch. 742
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Effective date(s) 04/16/2026
Sponsors
- Pat Marsh · Primary
- Tom Leatherwood · Cosponsor
Sponsorship breakdown
Export CSV (upgrade) →1 sponsors · 1 co-sponsors · 131 not signed on
Sponsors (1)
- Marsh, Pat Republican
Co-sponsors (1)
- Leatherwood, Tom Republican
Not signed on (131)
131 members have not signed on to this bill.
Show all 131 →"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
Roll call published as PDF — view source.
Roll call published as PDF — view source.
Roll call published as PDF — view source.
Subjects
Frequently asked questions
- What does HB 0166 do?
- Redistricting, Legislative - As enacted, adds that geographic descriptions affecting part of the boundary line between Fayette County and Shelby County are to be construed as the boundary line when census descriptions, counties, voting districts (VTDs), tracts, blocks, census delineations, census district lines, and other census designations are those established for or by the United States department of commerce, bureau of the census, for taking the 2020 federal decennial census in this state as contained in the topologically integrated geographic encoding and referencing system for the composition of state congressional districts, state senatorial districts, and state house of representative districts. - Amends TCA Title 2, Chapter 16 and Title 3, Chapter 1.
- Who sponsors HB 0166?
- HB 0166 is sponsored by Marsh, Pat (Republican) and Leatherwood, Tom (Republican).
- What is the current status of HB 0166?
- This bill has been enacted into law. Introduced January 15, 2025. Enacted.
- Where can I track HB 0166?
- Track HB 0166 free on One Click Politics — get push/email alerts when it moves.
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