South CarolinaS 0507126th General Assembly (2025-2026)SenateWALLET

AN ACT TO AMEND THE SOUTH CAROLINA CODE OF LAWS BY AMENDING SECTION 12-6-40, RELATING TO APPLICATION OF FEDERAL INTERNAL REVENUE CODE TO STATE TAX LAWS, SO AS TO UPDATE THE REFERENCE TO THE INTERNAL REVENUE CODE TO THE YEAR 2024, AND TO PROVIDE THAT IF THE INTERNAL REVENUE CODE SECTIONS ADOPTED BY THIS STATE ARE EXTENDED, THEN THESE SECTIONS ALSO ARE EXTENDED FOR SOUTH CAROLINA INCOME TAX PURPOSES.

Sponsored By: Harvey S. Peeler, Jr. (Republican)

Signed by Governor

Summary

IRC conformity

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Bill Overview

Analyzed Economic Effects

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

South Carolina follows 2025 federal tax extensions

If Congress, during 2025, extends a federal tax rule that South Carolina adopted and that expired on December 31, 2024, South Carolina treats it as extended too. The federal action must be an extension only, with no other changes. This rule takes effect May 22, 2025. You are affected only if you claim one of those extended federal deductions, exclusions, or credits.

South Carolina tax code updated to 2024

South Carolina uses the federal Internal Revenue Code as it stood on December 31, 2024, including its effective-date rules. This applies to individual and business income taxes. The change takes effect May 22, 2025. It sets which federal definitions and tax rules the state uses when you file.

Sponsors & Cosponsors

Sponsor

  • Harvey S. Peeler, Jr.

    Republican • Senate

Cosponsors

  • Thomas C. Alexander

    Republican • Senate

  • Ross Turner

    Republican • Senate

Roll Call Votes

All Roll Calls

Yes: 148 • No: 2

House vote • 5/7/2025

(IRC conformity)Passage of Bill

Yes: 109 • No: 2

Senate vote • 4/24/2025

(IRC conformity)2nd Reading

Yes: 39 • No: 0

Actions Timeline

  1. Act No. 63

    5/27/2025legislature
  2. Effective date 05/22/25

    5/27/2025legislature
  3. Signed By Governor

    5/22/2025Governor
  4. Ratified R 90

    5/20/2025legislature
  5. Read third time and enrolled

    5/8/2025House
  6. Roll call Yeas-109 Nays-2

    5/7/2025House
  7. Read second time

    5/7/2025House
  8. Committee report: Favorable Ways and Means

    5/6/2025House
  9. Referred to Committee on Ways and Means

    4/30/2025House
  10. Introduced and read first time

    4/30/2025House
  11. Read third time and sent to House

    4/29/2025Senate
  12. Roll call Ayes-39 Nays-0

    4/24/2025Senate
  13. Read second time

    4/24/2025Senate
  14. Committee report: Favorable Finance

    4/23/2025Senate
  15. Polled out of committee Finance

    4/23/2025Senate
  16. Referred to Committee on Finance

    3/27/2025Senate
  17. Introduced and read first time

    3/27/2025Senate

Bill Text

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