South Carolina (SC) State Tax Forms 2019

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Prepare and efile Your South Carolina Tax Return Forms

The tax software makes it easy for you to efile your state tax return and use the correct state tax forms. Prepare and efile your South Carolina state tax return (resident, nonresident, or part-year resident) and Federal tax return together or separately. View the federal filing requirements to see if you need to file a federal income tax return.

South Carolina Income Tax Filing Deadline

The regular deadline to file a South Carolina state income tax return is April 15.

Tax Deadline Date Type of Income Tax Return Filing Deadline / Due Date Description
April 18, 2019 2018 South Carolina State Tax Return Due date for South Carolina State Income Tax Returns – income tax filing deadline
April 18, 2019 2018 South Carolina State Tax Extension Due date for South Carolina extensions
October 15, 2019 2018 South Carolina State Tax Return Last day to efile a 2018 South Carolina State Income Tax Return for tax extension filers and late efilers

View all state tax return filing deadlines.

Find federal income tax return filing deadlines.

efile tax return form

IMPORTANT NOTE FOR 2018 RETURNS ONLY: If you filed an extension to file your 2018 tax return and were affected by the October 2018 floods, the IRS extended your 2018 tax return and tax payment deadline from October 15, 2018 to February 16, 2019. The IRS will also reduce any interest, late-payment or late-filing penalties that apply to you. This deadline applies to taxpayers in the following counties:

  • Berkeley
  • Calhoun
  • Charleston
  • Clarendon
  • Darlington
  • Dorchester
  • Florence
  • Georgetown
  • Horry
  • Kershaw
  • Lee
  • Lexington
  • Orangeburg
  • Richland
  • Sumter
  • Williamsburg

If you qualify for tax relief and live outside the disaster area, contact the IRS at 866-562-5227. Visit to find disaster help and resources.

South Carolina State Tax Forms that Can Be efiled

We supports all of the forms that South Carolina allows to be efiled. You can efile any of the following South Carolina state tax forms:

Form/Schedule Description Can I efile this form?
Form FS102 Installment Agreement Request
Form I319 Tuition Tax Credit
Form I330 Contributions for Check-Offs
Form I334 Milk Credit
Form I-335A Worksheet 1 Pass-Through Income from a Sole Proprietorship
Form I-335B Worksheet 2 Pass-Through Income From a Partnership or S Corporation
Form PT100 Business Personal Property Return
Form SC-I333 Anhydrous Ammonia Additive Credit
Form SC-1040/NR Income Tax Return
Form SC-1040TC Tax Credits
Form SC-1310 Refund Due a Deceased Taxpayer
Form SC-2210 Underpayment of Estimated Taxes
Form SC-3911 Refund Tracer
Form SC-4868 Extension
Form UT-3W-**REQUIRED FORM*** SC – Schedule W Use Tax Worksheet
Schedule TC1 Drip/Trickle Irrigation Systems Credit
Schedule TC3 Water Resources Credit
Schedule TC4 New Jobs Credit
Schedule TC5 Scenic Rivers Tax Credits
Schedule TC9 Credit for Child Care Program
Schedule TC19 Gift of Land for Conservation
Schedule TC27 Health Insurance Credit
Schedule TC29 Retirement Contribution Plan Credit
Schedule TC35 Alternative Motor Vehicle Credit
Schedule TC38 Solar Energy System Credit
Schedule TC43 Residential Retrofit Credit
Schedule TC44 Excess Insurance Premium Credit

How to File a South Carolina Tax Amendment Forms

When Do I Need to File an Amendment in South Carolina?

To claim a refund, you must file the amendment form no later than 3 years after the filing date of the original income tax return, or 3 years after from the original filing deadline, or 2 years after paying the tax. These conditions apply only if you filed by the deadline or the extended deadline.

How Do I Correct My Accepted South Carolina Tax Return or File a South Carolina Tax Amendment?

In the state of South Carolina, if you have to make changes to your tax return that you already filed, then you must fill out a tax amendment form. If you overpaid the tax and want to get money back you must file an amendment and get a refund; you can’t transfer the owed refund that you didn’t get to the next year as a credit.
You have two options to prepare and file a South Carolina tax amendment:

  1. Download and complete Form SC1040X. When you’re done, print out the form and mail it to: SC Department of Revenue, Amended Individual Income Tax, P.O. Box 101104, Columbia, SC 29211-0104 OR
  2. efileTaxPro by efile.comYou can file your South Carolina state tax amendment with the help of an efile TaxPro! Enjoy all the benefits of working with a TaxPro, including:
  • Having your tax questions answered by a licensed CPA!
  • Enjoying the peace of mind that your amended state taxes are being handled by a tax professional!

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