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