How to Fill Out North Carolina Form D-410 (w/Examples) + FAQs

North Carolina Form D-410 is the Application for Extension for Filing Individual Income Tax Return that taxpayers file with the North Carolina Department of Revenue to receive an automatic six-month extension to file Form D-400. The form does not extend the time to pay any tax owed, so filers must estimate and submit the balance due by the original April 15 deadline to avoid the 10% failure-to-pay penalty under N.C. Gen. Stat. § 105-236.

According to NCDOR processing data, more than 250,000 North Carolina taxpayers file Form D-410 each season, and the agency reports that roughly 1 in 8 extension requests is rejected or flagged for missing or mismatched information on the first pass. Getting the form right the first time avoids penalty stacking, interest accrual, and the dreaded “Notice of Tax Assessment” letter that follows a botched extension.

In this guide you will learn:

• 📄 What Form D-410 does, who must file it, and the statute that authorizes it
• 🧾 Every line, box, and signature block on the current revision walked through field-by-field
• 👤 Three real-world filer scenarios with full sample entries you can copy
• 💳 How to file online, by mail, by phone, and through a tax pro, with fees and proof-of-filing
• ⚠️ The 10 most common mistakes that trigger penalties, interest, and rejected extensions

The current revision of the form is dated 9-25 (printed in the lower-left corner of the official PDF), and you can pull it straight from the NCDOR D-410 form page before you start.

What Form D-410 Is and Who Must File It

Form D-410 is the official North Carolina request for an automatic six-month extension to file an individual state income tax return. It pushes the filing deadline from April 15, 2026 to October 15, 2026, but it does not push the payment deadline. The authority for the extension comes from N.C. Gen. Stat. § 105-263, which gives the Secretary of Revenue discretion to grant filing extensions when a taxpayer applies on or before the original due date.

You must file Form D-410 if you cannot file your North Carolina Form D-400 on time and you have not already received a federal extension that NCDOR will honor automatically. North Carolina recognizes a properly filed federal Form 4868, but only if you do not owe state tax and you check the federal extension box when you eventually file D-400. If you owe even one dollar of North Carolina tax, the safest path is to file D-410 with payment, even when you also file federally.

Anyone who files a North Carolina individual return can use this form. That includes full-year residents, part-year residents, and nonresidents with North Carolina-source income. Fiduciaries and estates use a different form called Form D-410P, which mirrors D-410 but applies to partnership and estate returns. The two forms look alike, share most fields, and trigger the same penalties, but mixing them up will cause your extension to be rejected because the agency routes them to different processing units.

The form solves a single, very specific problem: it buys time without buying trouble, if you pay the right amount up front. Get the payment estimate wrong and the extension still works for filing, but the unpaid balance compounds at the statutory interest rate set by NCDOR each year (currently 5% annually for 2026 underpayments) plus the 10% late-payment penalty.

Before You Start: Documents and Information You Need

Before you open the PDF or log into eServices, gather every document below. Missing any one of them will either stall your filing or cause you to underestimate your tax due, which is the single most common reason extensions blow up months later.

• Last year’s Form D-400. Your 2024 return is the fastest reference for your filing status, exemptions, and a baseline tax liability estimate. Without it you are guessing, and underestimates trigger the 10% penalty.
• All W-2s and 1099s received so far. Even drafts or year-end pay stubs work. The agency cross-checks income totals against employer filings, so wildly low estimates raise red flags.
• Federal Form 1040 draft (if started). A partial federal return gives you a near-final adjusted gross income figure, which feeds directly into the North Carolina taxable income line.
• Social Security numbers for you and your spouse. Both SSNs must appear on a joint extension in the same order they will appear on the eventual D-400. Reversing the order is a top-five rejection cause.
• Current mailing address. This must match what is on file with NCDOR or the United States Postal Service forwarding system, because rejection notices and refund checks both go to this address.
• Bank routing and account numbers. Required if you pay by direct debit through eServices. A wrong digit triggers an NSF rejection and a separate $25 returned-payment fee.
• Prior-year North Carolina tax liability. This is your safe-harbor baseline. Paying at least 90% of current-year tax or 100% of last year’s tax avoids the underpayment penalty.
• Estimated North Carolina taxable income for 2025. Use a rough D-400 worksheet or last year’s number adjusted for major life changes (new job, marriage, sale of property).
• Any North Carolina withholding figures. Pull these from W-2 box 17 and 1099 state-tax-withheld boxes. Withholding reduces the balance you owe with the extension.
• Credit or debit card if paying by card. Official Payments / ACI is the NCDOR-approved processor and charges a convenience fee of roughly 1.85% of the payment amount.

If you are missing any of the income documents, do not skip the form. File D-410 with your best estimate, pay slightly more than you think you owe, and reconcile when you file the actual D-400. Overpayments come back as refunds. Underpayments come back as penalty notices.

Where to Get the Form and How to Access It

The only authoritative source for Form D-410 is the NCDOR forms library, which posts the current-year PDF along with prior revisions. Third-party tax sites sometimes host outdated versions, and using a stale revision is a top reason extensions get bounced back during processing.

You have four ways to access the form. The fastest is the direct PDF link on the NCDOR site, which opens a fillable Adobe form you can complete on screen, save, and print. The second is the NCDOR eServices portal, which lets you file and pay in one session without ever printing the form. The third is by phone at 1-877-252-3052, where you can request the form be mailed to you (allow 7–10 business days). The fourth is in person at any NCDOR Service Center, where staff can hand you a printed copy.

If you are using tax software like TurboTax, H&R Block, or TaxAct, the program generates D-410 automatically when you select “file a North Carolina extension.” The software transmits the form electronically through the IRS Modernized e-File system, which NCDOR accepts. You will still receive a confirmation number, which serves as your proof of filing.

The form itself is a single page with fewer than fifteen entry fields. Do not be fooled by its short length. Each field maps to a specific NCDOR processing rule, and a typo in any one of them can stall the extension or, worse, route your payment to the wrong taxpayer account.

Step-by-Step: How to Fill Out Form D-410 Line by Line

The walkthrough below follows the exact field labels printed on the 9-25 revision of Form D-410. Use the official PDF open in a second window so you can match each instruction to the box on the page. Sample entries are shown in italics so you can tell instructions apart from what actually gets typed on the form.

Tax Year Beginning and Ending Dates

The top of the form asks for the tax year the extension covers. Most filers use the calendar year, so the dates are January 1, 2025 through December 31, 2025.

Write the dates in MM-DD-YY format with hyphens, exactly as the form prints. For a calendar-year filer, 01-01-25 goes in the “beginning” box and 12-31-25 goes in the “ending” box. Fiscal-year filers enter their own start and end dates.

For example, Maria Lopez, a calendar-year filer, writes 01-01-25 and 12-31-25. A fiscal-year filer like Carlos Reyes, who runs a sole proprietorship on a July-to-June year, writes 07-01-25 and 06-30-26.

The nuance most filers miss is that fiscal-year filers must file D-410 by the 15th day of the 4th month after their fiscal year ends, not April 15. Carlos’s deadline is October 15, 2026, not April 15.

A common mistake is leaving the dates blank because the form looks like it auto-fills for calendar-year filers. It does not. A blank tax-year field causes NCDOR to reject the extension and apply your payment to an undetermined year, which can take months to unwind.

The misconception is that the dates must match the IRS Form 4868 dates exactly. They must match your actual tax year, which for North Carolina purposes is whatever year the D-400 will cover.

Your Social Security Number

This box captures the primary filer’s SSN. It is the single most important identifier on the form because NCDOR uses it to attach the extension and the payment to your taxpayer account.

Write all nine digits with hyphens in the standard format: 123-45-6789. Do not use ITINs in this box unless you are an ITIN filer; if so, enter the ITIN in the same format. Do not abbreviate, do not use a stamp, and do not write “same as last year.”

For example, Maria Lopez writes 412-55-9087. Her husband Diego writes his SSN in the spouse box below.

The edge case worth flagging is the rare situation where a taxpayer applied for an SSN but has not received the card yet. In that case, write “Applied For” in the box and attach a copy of the SSA receipt; NCDOR will hold the extension in suspense until the SSN is issued.

The most common mistake on this field is transposing two digits. NCDOR’s matching system rejects mismatched SSNs outright, and the extension is treated as never filed, exposing you to the full failure-to-file penalty.

The misconception is that the SSN can be left blank if you write your name clearly. It cannot. Without the SSN, NCDOR cannot route the form, and your payment sits in an unidentified-remittance account.

Spouse’s Social Security Number

This box appears only when filing a joint extension. It must contain the spouse’s SSN in the same format as the primary filer’s.

Enter the spouse’s full nine-digit SSN with hyphens, exactly as it will appear on the joint D-400. The order of the two SSNs on D-410 must match the order on the eventual return, with the primary filer’s SSN first.

For example, Diego Lopez, filing jointly with Maria, writes 598-22-4471 in the spouse box.

The edge case is when one spouse is a nonresident alien with an ITIN. In that case the ITIN goes in the spouse SSN box, and the couple must check the appropriate residency box later in the form.

A common mistake is reversing the SSNs between this year’s D-410 and last year’s D-400. NCDOR matches the primary SSN to the primary account, and a flipped order routes the payment to the wrong spouse, sometimes triggering a “missing return” notice for the other.

The misconception is that you must file separate D-410s if you plan to file Married Filing Separately. You do not. Each spouse files their own D-410 with their own SSN as the primary, and neither lists the other.

Your Name and Address

The name and address block captures the taxpayer’s legal identity for the extension period. It must match what NCDOR has on file from your last return.

Write your full legal name, last name first, in all capital letters: LOPEZ MARIA E. Use your street address, including apartment or unit number, city, two-letter state abbreviation, and ZIP+4 if you know it. P.O. boxes are accepted only if the IRS also has them on file.

For example, Maria Lopez writes LOPEZ MARIA E on the name line and 4421 GLENWOOD AVE APT 7B, RALEIGH, NC 27612-3344 on the address line.

The nuance for recently married or divorced filers is that the name on D-410 must match the name on the SSN. If you have not updated SSA, use your old legal name on D-410 and update SSA before filing the actual D-400.

The most common mistake is using a nickname or shortened first name. NCDOR’s optical character recognition system flags any mismatch with SSA records and routes the extension to manual review, which can take 4–6 weeks.

The misconception is that the address must match your federal return. It must match your North Carolina records, which may differ if you recently moved.

Country (If Other Than U.S.)

This field is for taxpayers who reside outside the United States during the filing period.

Enter the full country name spelled out, not the country code. Leave the field blank if you reside in the United States, including Puerto Rico and the U.S. Virgin Islands.

For example, Janet Brooks, a North Carolina resident temporarily working in Germany, writes GERMANY in this field.

The edge case is military personnel stationed abroad. Active-duty service members enter the country where they are stationed, not their home-of-record state.

A common mistake is writing “Foreign” or leaving the field blank when residing abroad. NCDOR uses this field to grant the automatic out-of-country extension under N.C. Gen. Stat. § 105-263(b), and a blank field denies that extra time.

The misconception is that an out-of-country filer gets the same six-month extension as a domestic filer. They actually receive an additional four months on top of the standard extension.

Income Tax Expected to Be Due

This is the most consequential dollar field on the form. It is the taxpayer’s estimate of total North Carolina income tax liability for the year.

Calculate the figure using last year’s D-400 as a starting point, adjusted for income changes, then enter the result in whole dollars: 4,275. Do not include cents. Do not write “TBD” or leave the box blank.

For example, Carlos Reyes, a self-employed contractor with $68,000 in net earnings, estimates his North Carolina tax at 3,162 using the 4.5% flat rate for 2025.

The nuance is that the figure should be your total expected tax, not the balance due. Withholding and estimated payments are subtracted later in the form.

The most common mistake is entering the federal tax liability instead of the state liability. North Carolina uses a flat 4.5% rate for 2025, while federal rates are graduated, so the two numbers are almost never the same.

The misconception is that underestimating saves money. Underestimating triggers the 10% failure-to-pay penalty on the shortfall plus statutory interest, which together can exceed 15% annualized.

North Carolina Income Tax Withheld

This field captures total North Carolina income tax already withheld from your wages, retirement distributions, and gambling winnings.

Add box 17 from every W-2 and the state tax withheld box from every 1099, then enter the total in whole dollars: 2,840. Do not include federal withholding.

For example, Maria Lopez has two W-2s with North Carolina withholding of $2,140 and $700; she enters 2,840.

The edge case is for retirees with 1099-R distributions where North Carolina withholding is voluntary. Pull the figure from the state tax withheld box on each 1099-R.

A common mistake is including federal withholding in this box. Doing so understates the balance due by thousands of dollars and triggers a large penalty when the actual D-400 is filed.

The misconception is that withholding includes self-employment estimated payments. It does not. Estimated payments go on the next line.

Other Prepayments of Tax

This line captures North Carolina estimated tax payments and any amount paid with a prior extension request for the same year.

Add the four quarterly estimated payments (NC-40 vouchers) and any prior-year overpayment applied to 2025, then enter the total in whole dollars: 1,500.

For example, Carlos Reyes, who made four quarterly payments of $375 each, enters 1,500.

The nuance is that any 2024 overpayment you elected to apply to 2025 counts here, not as withholding. Pull the amount from line 34 of your 2024 D-400.

The most common mistake is double-counting estimated payments that were never actually mailed or drafted. Always verify each payment cleared your bank before listing it.

The misconception is that federal estimated payments count. They do not. Only North Carolina estimated payments belong here.

Balance Due (Line 1 minus Lines 2 and 3)

This is the calculated balance you must pay with the extension. The math is simple subtraction, but the consequences of getting it wrong are not.

Subtract Line 2 (withholding) and Line 3 (other prepayments) from Line 1 (expected tax). Enter the result in whole dollars. If the result is zero or negative, enter 0.

For example, Maria Lopez calculates 4,275 − 2,840 − 0 = 1,435 and writes 1,435 on the balance due line.

The edge case is when the result is negative, meaning you expect a refund. In that case, enter 0 and do not send a payment. You can still file D-410 to extend filing time, even with no balance due.

The most common mistake is sending a payment for the full Line 1 amount instead of the balance due. NCDOR will hold the overpayment and refund it, but the float ties up your money for months.

The misconception is that you can skip filing D-410 if Line 4 is zero. You should still file if you cannot file D-400 by April 15, because the form establishes the extension on the record and protects you from the failure-to-file penalty.

Signature, Date, and Phone Number

The bottom of the form requires a signature, date, and daytime phone number for the primary filer (and spouse, if joint).

Sign in blue or black ink if filing on paper. If filing electronically through eServices, the system captures an electronic signature using your account credentials. Date the form with the actual date of signing, in MM-DD-YY format.

For example, Maria Lopez signs her name, writes 04-12-26 as the date, and lists her cell phone 919-555-0142 as the daytime number.

The nuance is that joint extensions require both spouses to sign, even if only one had income. A missing spouse signature on a joint D-410 is treated as a single-filer extension, which can complicate the joint D-400 later.

The most common mistake is dating the form with the tax year end date instead of the actual signing date. NCDOR uses the signing date to verify timeliness, and a date after April 15 marks the extension as late even if it was actually mailed on time.

The misconception is that an unsigned form will be processed because the SSN is enough to identify you. It will not. Unsigned forms are returned with a notice, and by the time you re-sign and resubmit, the deadline has often passed.

Three Filled-Out Examples Using Real Scenarios

The three scenarios below illustrate the most common D-410 fact patterns. Each follows a named filer through every major section of the form.

Scenario 1: Maria Lopez, W-2 Employee Filing Jointly

Maria and Diego Lopez live in Raleigh. Maria earns $74,000 as a nurse, Diego earns $52,000 as a teacher. They expect to owe a small balance because Diego under-withheld.

Form Section	What Maria Enters
Tax Year Beginning / Ending	01-01-25 / 12-31-25
Your SSN	412-55-9087
Spouse’s SSN	598-22-4471
Name and Address	LOPEZ MARIA E, 4421 GLENWOOD AVE APT 7B, RALEIGH, NC 27612-3344
Country	(blank)
Income Tax Expected to Be Due	5,670
North Carolina Income Tax Withheld	4,235
Other Prepayments of Tax	0
Balance Due	1,435
Signature and Date	Maria Lopez, 04-12-26, 919-555-0142

Scenario 2: Carlos Reyes, Self-Employed Contractor

Carlos is a sole proprietor with $68,000 in net Schedule C earnings and quarterly NC-40 estimated payments. He files single.

Form Section	What Carlos Enters
Tax Year Beginning / Ending	01-01-25 / 12-31-25
Your SSN	301-44-2289
Spouse’s SSN	(blank)
Name and Address	REYES CARLOS A, 812 FAYETTEVILLE ST, DURHAM, NC 27701
Country	(blank)
Income Tax Expected to Be Due	3,162
North Carolina Income Tax Withheld	0
Other Prepayments of Tax	1,500
Balance Due	1,662
Signature and Date	Carlos Reyes, 04-10-26, 984-555-0307

Scenario 3: Janet Brooks, Resident Working Abroad

Janet is a North Carolina resident on a two-year work assignment in Germany. She has W-2 income from a U.S. employer with North Carolina withholding.

Form Section	What Janet Enters
Tax Year Beginning / Ending	01-01-25 / 12-31-25
Your SSN	215-77-3390
Spouse’s SSN	(blank)
Name and Address	BROOKS JANET M, 1180 OAK RIDGE LN, ASHEVILLE, NC 28801
Country	GERMANY
Income Tax Expected to Be Due	6,890
North Carolina Income Tax Withheld	6,200
Other Prepayments of Tax	0
Balance Due	690
Signature and Date	Janet Brooks, 06-10-26, +49-30-555-0188

Beyond these three, additional named filers worth noting include Aisha Patel, a part-year resident who moved from Virginia in August; Marcus Wheeler, a retiree with 1099-R distributions and no withholding; and Tanya Brooks, a graduate student with mixed W-2 and stipend income.

How to File the Completed Form

NCDOR accepts D-410 through four channels, each with its own fees, processing times, and proof-of-filing.

Online through eServices. Log into the NCDOR eServices portal, select “File an Extension,” complete the on-screen form, and pay by bank draft (free) or credit card (1.85% fee through ACI). Processing is instant. The portal issues a confirmation number that you should screenshot and save as proof of filing. Most filers receive an email confirmation within 30 minutes.

By mail. Print the completed form, attach a check or money order made payable to N.C. Department of Revenue with your SSN and “2025 D-410” in the memo line, and mail to NC Department of Revenue, P.O. Box 25000, Raleigh, NC 27640-0635. There is no filing fee. Use certified mail with return receipt as your proof of filing because the postmark date controls timeliness. Allow 6–8 weeks for the agency to post the payment to your account.

By phone payment with paper form. You can file the paper form and pay separately by phone through ACI at 1-877-308-9103, using a credit or debit card. The phone system charges the same 1.85% convenience fee. Keep the confirmation number from the call as proof of payment, and keep your certified mail receipt as proof of filing.

Through tax software or a paid preparer. Programs like TurboTax, H&R Block, TaxAct, and most professional packages submit D-410 electronically through the IRS Modernized e-File system. The software returns an acknowledgment code from NCDOR within 24–48 hours, which serves as your proof of filing. Software fees vary, and most preparers include the extension in their standard return-preparation package.

Whichever channel you use, file by 11:59 p.m. Eastern Time on April 15, 2026. Mailed forms must be postmarked by that date. Electronic submissions must be accepted (not just attempted) by the deadline.

What Happens After You File

After NCDOR receives your D-410, the agency processes the form and posts the payment to your taxpayer account. Electronic submissions post within 24–72 hours. Paper submissions post within 6–8 weeks during peak season.

You will not receive a separate approval letter. The extension is automatic under N.C. Gen. Stat. § 105-263 as long as the form is timely and properly completed. Silence from NCDOR means approval. The only correspondence you should expect is a notice if something is wrong, such as a math error, missing SSN, or returned payment.

When you file your D-400 by October 15, 2026, you must check the “Was an extension filed?” box and report any payment made with D-410 on the appropriate prepayment line. Failing to report the D-410 payment causes the agency to bill you for tax already paid, which is a frustrating but fixable error.

If your estimate was too low, the unpaid balance accrues the 10% failure-to-pay penalty plus statutory interest from April 16 forward. If your estimate was too high, the overpayment is applied to your D-400 balance or refunded after the return is processed.

Mistakes to Avoid When Filling Out the Form

The errors below are the most common reasons D-410 extensions get rejected, delayed, or hit with penalties. Each one is preventable.

• Filing after April 15. A late-filed D-410 grants no extension and exposes the filer to the full 5%-per-month failure-to-file penalty, capped at 25% under N.C. Gen. Stat. § 105-236.
• Underestimating Line 1. Estimating tax due too low triggers the 10% failure-to-pay penalty on the shortfall plus statutory interest from April 16.
• Confusing Line 1 with the balance due. Sending a payment for the total tax instead of the balance due ties up money in an overpayment hold for months.
• Reversing spouse SSNs on a joint extension. Mismatched primary and spouse SSNs route the payment to the wrong account and can trigger a “missing return” notice.
• Forgetting to sign the form. Unsigned paper forms are returned, and the deadline often passes before the corrected form arrives back at NCDOR.
• Using last year’s revision of the form. Older revisions have different field positions that confuse OCR scanning, leading to rejection.
• Leaving the country field blank when living abroad. This denies the additional out-of-country extension and can cost an extra four months of penalty exposure.
• Including federal withholding on Line 2. Overstating withholding understates balance due and triggers a large penalty when D-400 is filed.
• Omitting the daytime phone number. NCDOR cannot reach you to fix simple errors, so the form sits in suspense until you call them.
• Mailing without certified delivery. Without a postmark receipt, you cannot prove timeliness if the form is lost in the mail.

Do’s and Don’ts

Do file D-410 even if you cannot pay the balance due, because filing the form prevents the much larger failure-to-file penalty.

Do pay at least 90% of expected tax, because the safe-harbor rule eliminates the 10% failure-to-pay penalty.

Do keep a copy of the completed form and the proof of filing for at least three years, because that is the standard NCDOR audit window.

Do file electronically when possible, because confirmation is instant and processing errors are far less common.

Do use the current 9-25 revision, because older versions get flagged by OCR and routed to manual review.

Do double-check both SSNs on joint extensions, because reversed SSNs are the leading rejection reason.

Don’t assume a federal extension covers North Carolina if you owe state tax, because federal Form 4868 only honors a $0 state balance.

Don’t skip the form because you expect a refund, because filing protects you from the failure-to-file penalty if your refund estimate is wrong.

Don’t mail the form without certified delivery, because the postmark is your only proof of timely filing.

Don’t round Line 1 to the nearest thousand, because rough estimates almost always end up below 90% of actual tax.

Don’t sign for your spouse, because forged signatures invalidate the joint extension and expose both spouses to penalty.

Don’t mail the form to the wrong address, because the regular NCDOR address routes payments through a slower processing line.

Pros and Cons of Filing on Your Own vs. With Help

Pros of filing D-410 yourself:

• It is free or nearly free, because the form has no filing fee and online submission costs nothing through eServices.
• It is fast, because the entire form takes under 15 minutes once your documents are gathered.
• It keeps your information private, because you do not share sensitive data with a third-party preparer.
• It builds tax literacy, because completing D-410 teaches you how withholding, estimated payments, and balance due interact.
• It is forgiving, because most errors can be corrected by filing an amended D-410 before April 15.

Cons of filing D-410 yourself:

• Estimating tax due is hard, because self-prepared estimates often miss credits, deductions, or income items that change the bottom line.
• Penalty exposure is real, because a too-low estimate triggers the 10% failure-to-pay penalty on the shortfall.
• The form interacts with federal extensions in ways that confuse first-time filers, especially around the federal Form 4868 box on D-400.
• Software costs money, because most consumer tax programs charge $20–$60 for state extension filing.
• You bear the audit risk alone, because there is no preparer to defend the estimate if NCDOR challenges it.

FAQs

Does Form D-410 extend the time to pay my North Carolina taxes?

No. D-410 only extends the filing deadline to October 15. Any unpaid balance accrues the 10% failure-to-pay penalty and statutory interest from April 16 forward.

Do I need to file D-410 if I already filed federal Form 4868?

No, if you owe no North Carolina tax. Yes, if you owe any state balance, because the federal extension only covers $0-balance state filers.

Can I file D-410 electronically?

Yes. The NCDOR eServices portal accepts D-410 24/7 with instant confirmation, and most tax software submits it through the IRS Modernized e-File system.

What if I write the wrong SSN in Box 1?

No, the form will not be processed. NCDOR rejects mismatched SSNs outright, and the extension is treated as never filed, exposing you to the full failure-to-file penalty.

Do both spouses need to sign a joint D-410?

Yes. Joint extensions require both signatures, even if only one spouse had income. A missing spouse signature converts the form into a single-filer extension.

Can I leave Line 1 blank if I do not know my expected tax?

No. A blank Line 1 causes NCDOR to reject the form. Estimate using last year’s tax adjusted for major changes, then round up for safety.

What goes in the country field if I live in the United States?

No entry is needed. Leave the country field blank if you reside in the U.S., including Puerto Rico and the U.S. Virgin Islands.

Does Other Prepayments of Tax include federal estimated payments?

No. Only North Carolina NC-40 quarterly payments and prior-year overpayments applied to 2025 belong on Line 3. Federal payments do not count.

Do I write my maiden name or married name on the name line?

Yes, use whichever name matches your current Social Security Administration record. Mismatches with SSA trigger automatic OCR rejection.

Is the filing fee for D-410 really $0?

Yes. NCDOR charges no filing fee. The only cost is the optional 1.85% credit-card convenience fee charged by ACI Payments.

How long does the extension last?

Yes, six months from April 15, pushing the deadline to October 15, 2026. Out-of-country filers get an additional four months under N.C. Gen. Stat. § 105-263(b).

Can I cancel a D-410 after filing it?

No, there is no cancellation process. If you file D-400 by April 15, the extension simply becomes irrelevant, and any payment is applied to the return.

What if my Line 4 balance is negative?

No payment is required. Enter 0 on Line 4. You can still file D-410 to extend filing time even with no balance due.

Is D-410 the same as D-410P?

No. D-410 is for individual income tax (Form D-400). Form D-410P is for partnerships, estates, and trusts. Mixing them up causes rejection.