File South Carolina
State Business Tax Extension Forms SC1120-T and SC8736

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.

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.

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.

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.
  • Form SC1120-V - Corporate Income Tax Payment Voucher
  • Form SC1065-V - Partnership tax payment voucher