CT-186-M: Utility Corporation MTA Surcharge Return (2025)
New York · NY DTF · Used for tax years 2025
Form CT-186-M is New York’s Utility Corporation MTA Surcharge Return for calendar year 2025, for continuing section 186 taxpayers only (certain independent power producers). It reports gross earnings used to calculate the Metropolitan Commuter Transportation District allocation p
Who files this form
Form CT-186-M is the Utility Corporation MTA Surcharge Return for calendar year 2025. It is for continuing section 186 taxpayers only, described on the form as certain independent power producers.
What you'll need
Have these records and form amounts available to complete the return:
- Your corporation’s EIN, file number, principal business activity, legal name, address, and incorporation information.
- Gross earnings from operating revenue, interest and dividends, and other revenues, for both the MCTD and New York State.
- Form CT-186, line 7, for net New York State franchise tax, plus any overpayment credited from that form.
- Records of installment payments, payment dates, and overpayments credited from prior years.
- Form CT-400 installment amounts, if applicable.
- Form CT-5.6, lines 7 and 10, if you filed an extension request.
The return also asks for an authorized person’s name, signature, title, contact information, and date.
How to file
The form directs you to the instructions for where to file. No mailing address or e-file directions are provided in the supplied text.
For payment, the form says to:
- Pay the balance due shown on line 16 and enter the payment amount on line A.
- Make the payment payable to New York State Corporation Tax.
- Attach the payment in the designated area and detach all check stubs.
Complete the authorized-person certification and signature area.
Common mistakes
Follow these reminders printed on the form:
- If you claim an overpayment, mark an X in the overpayment box.
- Detach all check stubs before attaching your payment.
- Enter the payment amount on line A as directed on line 16.
- If Form CT-222 is attached, mark an X in the box on line 13.
- If you need to update your corporation tax address or phone information, the form says you can do so online. See “Business information” in Form CT-1.
Questions people ask
How is the MCTD allocation percentage calculated?
Divide line 4, column A, for MCTD gross earnings by line 4, column B, for New York State gross earnings. Enter the percentage on line 5.
How is the MTA surcharge calculated?
Enter the net New York State franchise tax from Form CT-186, line 7, on line 6. Multiply it by the line 5 allocation percentage to get line 7. Then multiply line 7 by 17% (0.17) to get the surcharge on line 8.
What can I do with an overpayment?
The form provides lines to credit an overpayment to New York State franchise tax, credit it to the next period’s MTA surcharge, or request a refund.
Where do I enter total prepayments?
Calculate total prepayments on line 27 and enter that amount on line 11 as well.