Employee instructions
Complete the SC W-4 so your employer can withhold the correct South Carolina Income Tax from your pay. If you have too much tax withheld, you will receive a refund when you file your South Carolina Individual Income Tax return. If you have too little tax withheld, you will owe tax when you file your tax return, and you might owe a penalty. Determine the number of withholding allowances you should claim for withholding for 2025 and any additional amount of tax to be withheld. For regular wages, withholding must be based on allowances you claimed and may not be a flat amount or percentage of wages. Consider completing a new SC W-4 each year and when your personal or financial situation changes. This keeps your withholding accurate and helps you avoid surprises when you file your South Carolina Individual Income Tax return. For the latest information about South Carolina Withholding Tax and the SC W-4, visit dor.sc.gov/withholding.
Exemptions: You may claim exemption from South Carolina withholding for 2025 for one of the following reasons:
· For tax year 2024, you had a right to a refund of all South Carolina Income Tax withheld because you had no tax
liability, and for tax year 2025 you expect a refund of all South Carolina Income Tax withheld because you expect
to have no tax liability.
· Under the provisions of the Veterans Auto and Education Improvement Act, you are a military servicemember or a
military servicemember's spouse who is electing for tax purposes to use the domicile state of the servicemember,
the domicile state of the spouse, or the permanent duty station of the servicemember as your state of domicile.
Enter the name of the state on the line provided. Refer to SC Revenue Ruling #24-5, available at dor.sc.gov/
policy, for more information.
If you are exempt, complete only line 1 through line 4 and line 7. Check the box for the reason you are claiming an exemption and write Exempt on line 7. Your exemption from withholding expires on December 31, 2025, unless a new SC W-4 is submitted to the employer. If the state of domicile changes during the year, the servicemember and/or spouse should provide the employer with an updated SC W-4 to ensure the employer withholds the correct amount of Income Taxes for the remainder of the tax year.
Filers with multiple jobs or working spouses: You will need to file an SC W-4 for each employer. If you have more than one job, or if you are married filing jointly and your spouse is also working, you may want to consider only claiming allowances on the SC W-4 for the highest earning job and/or adding additional withholding on line 6 to ensure you are having enough withheld.