Simplify Your 1099 E-Filing in South Carolina

For South Carolina state tax filing, businesses are required to submit the following 1099 forms:

• Form 1099-NEC – Nonemployee Compensation
• Form 1099-MISC – Miscellaneous Information
• Form 1099-B – Proceeds from Broker and Barter Exchange Transactions
• Form 1099-DIV – Dividends and Distributions
• Form 1099-G – Certain Government Payments
• Form 1099-INT – Interest Income
• Form 1099-K – Payment Card and Third-Party Network Transactions
• Form 1099-OID – Original Issue Discount
• Form 1099-R – Distributions from Pensions, Annuities, etc.
• Form W-2G – Certain Gambling Winnings

These forms ensure that businesses comply with the South Carolina Department of Revenue's filing requirements.

When filing 1099 forms in South Carolina, additional documentation is required depending on your filing method and whether state income tax has been withheld.

• Form WH-1606 (SC Withholding Fourth Quarter/Annual Reconciliation Return) is a reconciliation form that must be filed electronically along with the 1099 forms.
• Form WH-1612 (Transmission of W-2 or 1099 Forms Submitted by Paper) is a transmittal form that must be filed with the 1099 forms when submitting them on paper.

The due date for filing 1099 and W-2 forms in South Carolina is February 02, 2026. Late filing may result in penalties, which can increase depending on how late the forms are submitted.

• Late Filing Penalty: 5% of the unpaid tax for each month the return is late, with a maximum penalty of 25% of the unpaid tax.
• Failure to Pay Penalty: 0.5% of the unpaid tax for the first month of non-payment, with an additional 0.5% for each subsequent month or part thereof. The maximum penalty for failure to pay is 25% of the unpaid tax.