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The 1350 State of South Carolina SC W-4 is an important form used to ensure accurate withholding of state income tax from employees' wages. This document determines the amount of tax an employer needs to withhold from an employee's paycheck for South Carolina's state tax obligations. By accurately completing this form, taxpayers can avoid underpayment or overpayment of state taxes at the end of the year.
Personal Information: Start by completing the personal information section with your name, Social Security number, and address. Ensure all entries are current and accurate to avoid processing issues.
Filing Status: Select the appropriate filing status. The choices typically include single, married, or head of household, which can influence the amount withheld.
Exemptions: If eligible, you may claim exemptions. Carefully read the instructions to understand how exemptions impact your withholding amount.
Additional Withholding: Some individuals may choose to request additional withholding if they expect higher tax obligations due to other income sources.
Signature and Date: Complete the form by signing and dating it to validate the information provided.
Review Instructions: Before filling out, thoroughly read the accompanying instructions to understand each section's requirements.
Gather Documents: Ensure you have personal information and prior tax information on hand. This helps in determining the correct allowances and withholdings.
Complete Each Section: Fill in the required fields, making careful selections that reflect your current tax situation.
Verify Entries: Double-check all inputs for accuracy. Correct any errors before final submission to prevent processing delays or incorrect withholdings.
Submission: Submit the completed form to your employer, who will update your payroll records accordingly.
Initial Submission: Typically, employees should submit this form when beginning a new job or whenever personal or financial circumstances change significantly.
Annual Review: It’s a good practice to review your withholding annually or whenever the state updates tax rates.
This form is primarily used by all employees within the state of South Carolina who need to adjust their state tax withholding. This includes:


South Carolina might have unique rules governing tax withholdings compared to federal requirements. Examples include:
Failure to properly complete or submit the SC W-4 form can lead to:
You can obtain this form from several sources:
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STATE OF SOUTH CAROLINA. DEPARTMENT OF REVENUE. SC W-4. (Rev. 12/5/25). 3527. 2026. SOUTH CAROLINA EMPLOYEES. WITHHOLDING ALLOWANCE CERTIFICATE. 1350.Read more
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