Get Answers Support Payroll State South Carolina(SC) What forms are used to File withholding returns in South Carolina? Last modified 9/23/2024 1:44:07 AM EST Two important tax withholding returns are used for filing taxes in South Carolina they are: Form WH-1605 -SC Withholding Quarterly TaxReturn You must complete form W4 for the first three quarters of the year. Form WH-1606- SC withholding Fourth Quarter and Annual Reconciliation Return You must complete the WH-1606 if your South Carolina Withholding account was open for any portion of the year. Note: Annual filers should only file the WH-1606. If you file Form WH-1605, don’t file Form WH-1605 for the fourth quarter. Instead, file Form 1606 for the fourth quarter. Was this helpful? Yes No Need more help? Get in touch with our dedicated support team Contact Us (704) 684-4751 support@taxbandits.com Sign Up for a FREE TaxBandits Account! The Smart CPA Choice Register Now Already have an account? Sign in