---
type: "Bill"
title: "Income tax withholding"
description: "AN ACT TO AMEND THE SOUTH CAROLINA CODE OF LAWS BY AMENDING SECTION 12-8-530, SECTION 12-8-540, SECTION 12-8-570, SECTION 12-8-580, AND SECTION 12-8-595, ALL RELATING TO THE WITHHOLDING OF INCOME TAXES, SO AS TO UPDATE A REFERENCE TO THE TOP MARGINAL INCOME TAX RATE; AND BY AMENDING SECTION 12-2-140, RELATING TO ACCESS TO FEDERAL TAX INFORMATION, SO AS TO REQUIRE CERTAIN INDIVIDUALS WITH SUCH ACCESS TO HAVE RECEIVED A BACKGROUND CHECK. - RATIFIED TITLE"
jurisdiction: "us/states/sc"
legislature: "South Carolina General Assembly"
session: "2023-2024"
identifier: "S 577"
citation: "South Carolina S 577 (2023-2024)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Alexander"]
version_count: 7
action_count: 28
vote_count: 4
first_action: "2023-02-28"
last_action: "2024-07-17"
source: "openstates"
source_identifier: "ocd-bill/8635cd96-519a-42cd-8b2f-81f777161ac0"
source_url: "https://www.scstatehouse.gov/billsearch.php?billnumbers=577&session=125&summary=B"
source_hash: "1ea6f78e9b403cb06ba6c70992ddc29a5ca66bb3a9e3af4c533d2fdee39ec922"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-sc"]
---

# South Carolina S 577 (2023-2024) — Income tax withholding

AN ACT TO AMEND THE SOUTH CAROLINA CODE OF LAWS BY AMENDING SECTION 12-8-530, SECTION 12-8-540, SECTION 12-8-570, SECTION 12-8-580, AND SECTION 12-8-595, ALL RELATING TO THE WITHHOLDING OF INCOME TAXES, SO AS TO UPDATE A REFERENCE TO THE TOP MARGINAL INCOME TAX RATE; AND BY AMENDING SECTION 12-2-140, RELATING TO ACCESS TO FEDERAL TAX INFORMATION, SO AS TO REQUIRE CERTAIN INDIVIDUALS WITH SUCH ACCESS TO HAVE RECEIVED A BACKGROUND CHECK. - RATIFIED TITLE

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Filed** (filed) — [source](https://www.scstatehouse.gov/sess125_2023-2024/bills/577.htm)
2. **01/24/2024** (committee substitute) — [source](https://www.scstatehouse.gov/sess125_2023-2024/prever/577_20240124.htm)
3. **02/28/2023** (committee substitute) — [source](https://www.scstatehouse.gov/sess125_2023-2024/prever/577_20230228.htm)
4. **02/28/2023-A** (committee substitute) — [source](https://www.scstatehouse.gov/sess125_2023-2024/prever/577_20230228a.htm)
5. **04/25/2024** (committee substitute) — [source](https://www.scstatehouse.gov/sess125_2023-2024/prever/577_20240425.htm)
6. **05/08/2024** (committee substitute) — [source](https://www.scstatehouse.gov/sess125_2023-2024/prever/577_20240508.htm)
7. **06/26/2024** (committee substitute) — [source](https://www.scstatehouse.gov/sess125_2023-2024/prever/577_20240626.htm)

## Votes

- to adopt the conference report — **42–0** (pass) · upper
- 2nd Reading — **45–0** (pass) · upper
- Passage of Bill — **105–0** (pass) · lower
- Adopt Conference Report — **105–0** (pass) · lower

## Sponsors

- Alexander — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2023-02-28** Introduced and read first time `introduction, reading-1`
- **2023-02-28** Referred to Committee on Finance `referral-committee`
- **2024-01-24** Committee report: Favorable Finance `committee-passage-favorable`
- **2024-01-30** Read second time `reading-2`
- **2024-01-30** Roll call Ayes-45 Nays-0
- **2024-01-31** Read third time and sent to House `passage, reading-3`
- **2024-02-01** Introduced and read first time `introduction, reading-1`
- **2024-02-01** Referred to Committee on Ways and Means `referral-committee`
- **2024-04-25** Committee report: Favorable with amendment Ways and Means `committee-passage-favorable`
- **2024-05-02** Debate adjourned until Tues., 5-7-24
- **2024-05-07** Requests for debate-Rep(s). Hiott, B Newton, Carter, Guffey, Sessions, JE Johnson, Guest, Pace
- **2024-05-07** Debate adjourned
- **2024-05-08** Amended `amendment-passage`
- **2024-05-08** Read second time `reading-2`
- **2024-05-08** Roll call Yeas-105 Nays-0
- **2024-05-09** Read third time and returned to Senate with amendments `passage, reading-3`
- **2024-05-09** Non-concurrence in House amendment
- **2024-05-09** House insists upon amendment and conference committee appointed Reps. Whitmire, Hayes, Willis
- **2024-05-09** Conference committee appointed Peeler, Alexander, Setzler
- **2024-06-26** Conference report received and adopted
- **2024-06-26** Roll call Yeas-105 Nays-0
- **2024-06-26** Conference report received and adopted
- **2024-06-26** Roll call Ayes-42 Nays-0
- **2024-06-26** Ordered enrolled for ratification
- **2024-06-27** Ratified R 240
- **2024-07-02** Signed By Governor `executive-signature`
- **2024-07-17** Effective date 07/02/24
- **2024-07-17** Act No. 215

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/8635cd96-519a-42cd-8b2f-81f777161ac0`. Confidence: reported (aggregated from official South Carolina legislature records).