CT-3-S: New York S Corporation Franchise Tax Return. (2025)

New York · NY DTF · Used for tax years 2025

Form CT-3-S is the New York S Corporation Franchise Tax Return. It reports federal Form 1120S information, New York receipts, franchise tax, credits, and prepayments to calculate a balance due or overpayment.

Who files this form

Form CT-3-S is the New York S Corporation Franchise Tax Return. It includes a checkbox for corporations filing because of the mandatory New York S election under Tax Law, Article 22, section 660(i).

The supplied form does not explain the full filing requirements.

What you'll need

The form requires you to file or attach:

  • Federal Form 1120S as filed.
  • Form CT-34-SH.
  • Form CT-60, if applicable.
  • Any applicable credit claim forms.
  • Form CT-225, if applicable.
  • Form CT-227, if applicable.

Have your federal Form 1120S Schedules K, L, and M-2 available to complete Part 1. You will also need your receipts information for Part 3 and the dates and amounts of prepayments for Part 2.

If filing an amended return, mark the applicable items in the amended return information section and attach documentation.

Common mistakes

  • Do not leave the tax period blank. All filers must enter beginning and ending dates.
  • Enter an amount on Part 2, line 22. If there are no New York receipts, enter 0.
  • Do not enter 0 on Part 2, line 23 or leave it blank.
  • For Part 1, lines 1 through 10 and 14 through 21, show negative amounts with a minus sign, not parentheses or brackets.
  • Mark the overpayment box on page 1 if you claim an overpayment.
  • Mark the no-receipts box in Part 3 only if you have no receipts required to be included in the denominator of the apportionment factor.
  • If attaching a payment, detach all check stubs.

Questions people ask

Who should my payment be payable to?

Make your payment payable to New York State Corporation Tax. Pay the amount shown on Part 2, line 46, and enter your payment amount on line A on page 1.

Can I apply an overpayment to the next tax period?

The form provides line 48 for the amount of overpayment to credit to the next period. Line 49 is the refund amount, calculated by subtracting line 48 from line 47.

When does the form call for Form CT-60?

If you include the activities of a qualified subchapter S subsidiary (QSSS), partnership, single member limited liability company (SMLLC), or DISC in this return, or have other affiliated entities, mark box N and file Form CT-60 with your return.

How do I calculate the business apportionment factor?

In Part 3, line 58, divide line 57, column A, New York State receipts, by line 57, column B, everywhere receipts. Round the result to six decimal places.

Can I update my business address or phone number online?

Yes. The form says you can update your address or phone information online for corporation tax or other tax types. It refers you to Business information in Form CT-1.

Official sources

All versions of CT-3-S