South CarolinaH 4216126th General Assembly (2025-2026)HouseWALLET

AN ACT TO AMEND THE SOUTH CAROLINA CODE OF LAWS BY AMENDING SECTION 12-6-510, RELATING TO INCOME TAX RATES FOR INDIVIDUALS, ESTATES, AND TRUSTS, SO AS TO REDUCE THE TOP MARGINAL INCOME TAX RATE TO 5.

Sponsored By: Bruce W. Bannister (Republican)

Signed by Governor

Summary

Income tax

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Bill Overview

Analyzed Economic Effects

3 provisions identified: 2 benefits, 0 costs, 1 mixed.

New state deduction replaces federal ones

South Carolina no longer uses the federal standard deduction or federal itemized deductions. Instead, you can claim a new South Carolina Income Adjusted Deduction (SCIAD): up to $15,000 if single or married filing separately, $22,500 if head of household, or $30,000 if married filing jointly. The SCIAD phases out with federal AGI: starts at $40,000 for single/MFS (over a $55,000 range), $60,000 for head of household ($82,500), and $80,000 for joint/surviving spouse ($110,000). If the phaseout fraction is 1 or more, you get no deduction; any reduction not a multiple of $10 is rounded down. Nonresidents must prorate SCIAD by South Carolina AGI divided by federal AGI. You must file a return when your South Carolina gross income is more than your SCIAD amount plus any Section 12-6-1170(B) deduction.

Lower tax rates and automatic future cuts

For tax years that start after 2025, you pay 1.99% on the first $30,000 of South Carolina taxable income and 5.21% above that. Starting with Tax Year 2027, if projected state income tax revenue grows at least 5%, the Board of Economic Advisors must cut the top rate. Each cut is permanent and sized to reduce collections by at least $200 million or 25% of the recurring surplus, whichever is larger, rounded up to the nearest 0.01%. Cuts continue each year the trigger is met until the top rate reaches 1.99%, then keep lowering that rate toward 0%, which would apply to all income. The Department of Revenue updates withholding tables so paychecks reflect these changes. The law takes effect March 30, 2026 and applies to tax years beginning after 2025.

State earned income credit capped at $200

Full-year South Carolina residents can claim a state earned income tax credit equal to 125% of their federal EITC, up to $200. The credit is nonrefundable and cannot reduce your tax below zero. The credit is only for full-year residents.

Sponsors & Cosponsors

Sponsor

  • Bruce W. Bannister

    Republican • House

Cosponsors

  • Brandon Newton

    Republican • House

  • B.J. Cox

    Affiliation unavailable

  • Brandon L. Cox

    Republican • House

  • William H. Bailey

    Republican • House

  • Nathan Ballentine

    Republican • House

  • Phillip Bowers

    Republican • House

  • Jeff Bradley

    Republican • House

  • Gary S. Brewer, Jr.

    Republican • House

  • T. Case Brittain, Jr.

    Republican • House

  • Joseph M. "Joe" Bustos

    Republican • House

  • Cody T. Mitchell

    Republican • House

  • Paula Rawl Calhoon

    Republican • House

  • Micajah P. "Micah" Caskey IV

    Republican • House

  • Heather Ammons Crawford

    Republican • House

  • Sylleste H. Davis

    Republican • House

  • Shannon S. Erickson

    Republican • House

  • Cally R. "Cal" Forrest, Jr.

    Republican • House

  • G. Murrell Smith, Jr.

    Republican • House

  • Craig A. Gagnon

    Republican • House

  • Gil Gatch

    Republican • House

  • Leon D. "Doug" Gilliam

    Republican • House

  • Thomas Duval "Val" Guest, Jr.

    Republican • House

  • Brandon Guffey

    Republican • House

  • William "Bill" Hager

    Republican • House

  • Thomas F. "Tom" Hartnett, Jr.

    Republican • House

  • Charles V. Hartz

    Republican • House

  • William G. "Bill" Herbkersman

    Republican • House

  • Lee Hewitt

    Republican • House

  • David R. Hiott

    Republican • House

  • William M. "Bill" Hixon

    Republican • House

  • Harriet A. Holman

    Republican • House

  • Wallace H. "Jay" Jordan, Jr.

    Republican • House

  • Kathy Landing

    Republican • House

  • M. Brian Lawson

    Republican • House

  • Thomas R. "Randy" Ligon

    Republican • House

  • Steven Wayne Long

    Republican • House

  • Phillip D. Lowe

    Republican • House

  • Marvin "Mark" Smith

    Republican • House

  • David Martin

    Republican • House

  • W. Scott Montgomery IV

    Republican • House

  • Dennis C. Moss

    Republican • House

  • Murphy

    Affiliation unavailable

  • Mike M. Neese

    Republican • House

  • Fawn M. Pedalino

    Republican • House

  • Thomas E. "Tommy" Pope

    Republican • House

  • Robby Robbins

    Republican • House

  • Carla M. Schuessler

    Republican • House

  • Heath Sessions

    Republican • House

  • Travis A. Moore

    Republican • House

  • Bill Taylor

    Republican • House

  • James E. Teeple

    Republican • House

  • David Vaughan

    Republican • House

  • Mark N. Willis

    Republican • House

  • Richard L. "Richie" Yow

    Republican • House

Roll Call Votes

All Roll Calls

Yes: 718 • No: 246

House vote • 3/10/2026

(Income tax)Concur in Senate Amendments

Yes: 71 • No: 49

House vote • 3/10/2026

(Income tax)Table Amendment 7A  Amendment number 7A

Yes: 98 • No: 19

House vote • 3/10/2026

(Income tax)Table Amendment 3A  Amendment number 3A

Yes: 100 • No: 19

House vote • 3/10/2026

(Income tax)Table Amendment 2  Amendment number 2A

Yes: 100 • No: 18

Senate vote • 2/24/2026

(Income tax)2nd Reading

Yes: 39 • No: 5

House vote • 5/7/2025

(Income tax)Passage of Bill

Yes: 64 • No: 47

House vote • 5/6/2025

(Income tax)Adopt Amendment 1  Amendment number 1

Yes: 94 • No: 19

House vote • 5/6/2025

(Income tax)Passage of Bill

Yes: 68 • No: 46

House vote • 5/6/2025

(Income tax)Table Motion to Adjourn Debate

Yes: 84 • No: 24

Actions Timeline

  1. Act No. 110

    4/2/2026legislature
  2. Effective date See Act for Effective Date

    4/2/2026legislature
  3. Signed By Governor

    3/30/2026Governor
  4. Ratified R 117

    3/25/2026legislature
  5. Roll call Yeas-71 Nays-49

    3/10/2026House
  6. Concurred in Senate amendment and enrolled

    3/10/2026House
  7. Read third time and returned to House with amendments

    2/25/2026Senate
  8. Roll call Ayes-39 Nays-5

    2/24/2026Senate
  9. Read second time

    2/24/2026Senate
  10. Amended

    2/24/2026Senate
  11. Debate interrupted

    2/18/2026Senate
  12. Committee report: Favorable Finance

    1/21/2026Senate
  13. Referred to Committee on Finance

    5/7/2025Senate
  14. Introduced and read first time

    5/7/2025Senate
  15. Roll call Yeas-64 Nays-47

    5/7/2025House
  16. Read third time and sent to Senate

    5/7/2025House
  17. Scrivener's error corrected

    5/7/2025legislature
  18. Roll call Yeas-68 Nays-46

    5/6/2025House
  19. Read second time

    5/6/2025House
  20. Amended

    5/6/2025House
  21. Scrivener's error corrected

    5/6/2025legislature
  22. Requests for debate-Rep

    5/1/2025House
  23. Committee report: Favorable with amendment Ways and Means

    4/30/2025House
  24. Member(s) request name removed as sponsor: Wickensimer

    4/22/2025House
  25. Member(s) request name removed as sponsor: Chapman, Sanders, Hardee

    4/3/2025House

Bill Text

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