If you need more time to file a South Carolina income tax return, you are allowed an extension equal to the time allowed by the IRS. The first extension is automatic and allows you through August 15th to file your return.If you need additional time, you may request an additional extension through October 15th (if you have good cause for the delay in filing). To receive a state extension, attach a copy of your federal extension request to your state return when you file it. If you owe additional state income tax, you are required to file Form SC4868 and attach payment of taxes you estimate you owe. Remember, an extension only allows you additional time to file your return. Your tax must still be paid to avoid penalty and interest.
SCnetFile for Extensions allows you to file and pay your SC4868 electronically directly with the SC Department of Revenue. You can pay your balance due by credit card or by EFW (Electronic Funds Withdrawal).
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