Bank | South Carolina Department of Revenue

A bank doing business in South Carolina must file a Bank Tax return, SC1101B. The Corporate Income Tax rate on banks is 4.5% on South Carolina taxable income.

Setting up your Bank Tax account

Filing a Bank Tax Return automatically registers you with the SCDOR.

On your first return, check the Initial Return box.
Once your Corporate Income Tax account is registered, we will send you a Corporate Registration Filing Requirements letter (SC1070), which includes important information about your Bank Tax filing requirements.

Corporate FAQs

Corporate Forms

Need help?

Phone: 1-844-898-8542
Email: CorpTax@dor.sc.gov

Check your SC Business Income Tax refund status!

You'll need your FEIN (Federal Employer Identification Number) and refund amount!

How to file and pay

The Bank Tax Return (SC1101B) is due annually, regardless of any income or business to report in an accounting period.

Due date: Your return and payment are due by the 15th day of the fourth month after the end of your business year.

Taxpayers whose South Carolina tax liability is $15,000 or more per filing period must file and pay electronically.

File online

Regardless of your tax liability, we recommend you file online using an approved vendor.

filing options

File by paper

As long as your liability is less than $15,000 for the filing period, you can also file by paper using the Bank Tax Return (SC1101B).

Request your extension to file by paying your balance due on our free online tax portal, MyDORWAY. Visit dor.sc.gov/pay and select Business Income Tax Payment to get started.

Your payment on MyDORWAY automatically submits your filing extension request.
No additional paperwork required!

If you’re not making your extension request online, mail the SC1120T to the address on the form.

Be sure to include your correct FEIN on the SC1120T. Providing an incorrect FEIN results in processing delays and errors in posting payments.
Make your check payable to the SCDOR.
Include your name, FEIN, tax year, and SC1120T in the memo.
Do not send cash.

If no tax is due and you requested a federal extension, we will accept the federal extension as long as the Bank Tax return is received within the extended time allowed by the IRS.

When you file, check the Extension box on the front of the return.

There is no extension of time to pay.

Pay online with MyDORWAY

MyDORWAY is the preferred way to securely make payments using a credit card or electronic check (ACH Debit or Electronic Funds Withdrawal). Visit dor.sc.gov/pay or log in to your account to make a payment.

Need a MyDORWAY account? Sign up

Have questions? See MyDORWAY help

Banks must make Estimated Tax (or declaration) payments if their estimated tax (Income Tax less credits) is $100 or more.

Quarterly installments are due by the 15th day of the fourth, sixth, ninth, and twelfth months of the tax year.

The SCDOR recommends making your Estimated Tax payments on our free tax portal, MyDORWAY, by going to dor.sc.gov/pay:

Select Business Income Tax Payment
- TIP: If you have a MyDORWAY account, you can log in to schedule your payments.
Do not mail in your SC1120CDP paper form if you pay online.

If filing your SC1120CDP by paper:

Make your check payable to "SCDOR" and include your name, FEIN, tax year, and SC1120CDP in the memo.
Mail your SC1120CDP and payment in one envelope.

Mailing addresses

Refund or Zero Return	Balance Due Return	Estimated Tax (SC1120CDP), Tentative (SC1120T), or Voucher (SC1120V)	Correspondence
South Carolina Department of Revenue Corporate Refund PO Box 125 Columbia, SC 29214-0032	South Carolina Department of Revenue Corporate Tax PO Box 100151 Columbia, SC 29202	South Carolina Department of Revenue Corporate Voucher PO Box 100153 Columbia, SC 29202	South Carolina Department of Revenue Corporate Tax PO Box 125 Columbia, SC 29214-0400

Refund or Zero Return

Balance Due Return

Estimated Tax (SC1120CDP), Tentative (SC1120T), or Voucher (SC1120V)

Correspondence

South Carolina Department of Revenue

Corporate Refund

PO Box 125

Columbia, SC 29214-0032

South Carolina Department of Revenue

Corporate Tax

PO Box 100151

Columbia, SC 29202

South Carolina Department of Revenue

Corporate Voucher

PO Box 100153

Columbia, SC 29202

South Carolina Department of Revenue

Corporate Tax

PO Box 125

Columbia, SC 29214-0400

A bank doing business in South Carolina must file a Bank Tax return, SC1101B. The Corporate Income Tax rate on banks is 4.5% on South Carolina taxable income.

Setting up your Bank Tax account

Need help?

Check your SC Business Income Tax refund status!

How to file and pay

File online​​

File by paper​​

Request an extension of time to file

Pay online with ​​MyDORWAY

Make Estimated Tax payments to the SCDOR

Mailing addresses

File online

File by paper

Pay online with MyDORWAY