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State Business Tax Extension Forms SC1120-T and SC8736

IRS Authorized E-file Provider for Tax Extension Forms

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South Carolina Business Tax Extension Filing Requirements

  • Approved Federal Form 7004 - Application for Automatic Extension of Time To File Certain Business Income Tax,
    Information, and Other Returns
  • Form SC1120-T - Application for Automatic Extension of Time to File Corporate
    Tax Return
  • Form SC8736 - Request for Extension of Time to File South Carolina return for Fiduciary and Partnership

Tax Extension Due Date for S-Corporation, and Partnership

March 15, 2024

Tax Extension Due Date for C- Corporation and Fiduciary

April 15, 2024

ExpressExtension supports the filing of South Carolina Business Tax Extension Forms SC1120-T and SC8736. Download your State business tax extension at $2.00/form by filing federal form 7004 with us!

Does South Carolina allow an extension for state business
income returns?

Yes! The businesses operating in the State of South Carolina can apply for an extension to file their business tax returns and get an automatic extension of up to 6 months.

What form is used to request a business tax extension with the State of South Carolina?

The State of South Carolina grants an automatic extension to businesses that already have an approved Federal Form 7004 for the current tax year.

If the business’s federal tax extension was rejected or the business didn’t apply for one, they are required to file a separate form with the state.

Depending on the type of business, one of the following forms should be filed to request an extension with the State of South Carolina.

  • Form SC1120-T - For businesses operating as an S-Corporation or C-Corporation
  • Form SC8736 - For businesses operating as a Partnership or Fiduciary

When is the deadline to file a Business Tax Extension with
South Carolina?

South Carolina Corporate Tax Extensions

  • South Carolina State General Business C-Corporation tax return SC 1120 is due by the 15th day of the 4th month following the end of the taxable year. The deadline for C-Corporations operating on the calendar tax year is on April 15.
  • South Carolina State General Business S-Corporation tax return SC 1120S is due by the 15th day of the 3rd month following the end of the taxable year. The deadline for S-Corporations operating on the calendar tax year is on March 15.
  • Form SC1120-T can be filed to apply for an automatic 6-month extension for both Form SC1120S and SC 1120, as long as the extension is filed on or before the original deadline of the return.

Note: Make sure to pay any taxes due when filing the extension form to avoid penalties and interest.

South Carolina State Partnership Tax Extension

  • South Carolina State Partnership Tax Form SC1065 is due by the 15th day of the 3rd month following the end of the taxable year. The deadline for Partnerships operating on the calendar tax year is on March 15.
  • Partnerships can extend their deadline up to 6 months by filing Form SC8736 on or before the original deadline of their SC1065.

Note: Make sure to pay any taxes due when filing the extension Form to avoid penalties and interest.

South Carolina State Fiduciary Tax Extension

  • South Carolina State Fiduciary Tax Form SC1041 is due by the 15th day of the 4th month following the end of the taxable year. The deadline for Fiduciaries operating on the calendar tax year is on March 15.
  • To request an extension of this deadline, file Form SC8736 on or before the same date the business tax return is due and get an automatic 5 ½ month extension
    of time.

Note: Make sure to pay any taxes due along with the extension Form to avoid penalties and interest.

What information is required to file a Business Tax Extension with South Carolina?

  • The Business Name and Address
  • The FEIN (Federal Employer Identification Number)
  • The date that your business’s tax year ends.
  • Any estimated taxes due for the current tax year and any amounts paid.

How do I file a Business Tax Extension with South Carolina using ExpressExtension?

Completing a South Carolina business tax extension is simple and straightforward with ExpressExtension, just follow the steps below.

  • Choose Form SC1120-T (or) SC8736
  • Fill in Form Details
  • Download, print, and mail the extension form to the state using the
    provided address.

How do I pay my balance due to the state when filing a South Carolina Business Tax Extension Form?

You can submit your payment with the return or using one of the following:

  • Online services offered by South Carolina State (https://mydorway.dor.sc.gov/).
  • Make your payments with the Extension form SC1120-T and mail it to the appropriate department with your Business Name and FEIN on the form and in the memo of the check.
  • For partnership returns, you can pay your payment with Form SC 1065.
  • If you have e-filed your returns but need to make payments by check or money order, you can use the following payment vouchers.

Where do I mail the South Carolina Business Tax Extension?

You should mail Form SC 1120-T to the following address

Address Icon
SCDOR, Corporate Voucher,
PO Box 100153,
Columbia SC 29202.

You should mail Form SC8736 to the following address

Address Icon
SCDOR, Taxable Extension,
P.O. Box 125,
Columbia, SC 29214-0036.
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