I still remember the October conversation – a client’s F-1 student had just converted to H-1B status mid-year, started consulting income on the side, and nobody had flagged that estimated payments were now due. By the time we caught it in April, the underpayment penalty was small but avoidable. Since then I treat the Form 1040-ES (NR) conversation as a mandatory part of every nonresident alien client onboarding checklist.
Download Form 1040-ES (NR) PDF
Key Takeaways
- Form 1040-ES (NR) is the nonresident alien equivalent of Form 1040-ES – it provides the worksheet and payment vouchers for quarterly estimated tax payments on income not subject to withholding.
- You must make estimated tax payments if you expect to owe at least $1,000 in tax after withholding and credits, and your withholding and credits will cover less than the smaller of 90% of current-year tax or 100% of prior-year tax on a full-year return.
- The four payment due dates for calendar-year nonresident aliens are April 15, June 15, September 15, and January 15 of the following year – but nonresidents who first receive income after May 31 or August 31 may enter the system with later first-payment dates.
- Nonresident aliens must use the 1040-ES (NR) worksheet, not the standard 1040-ES worksheet, because the NR version reflects the different standard deduction rules (nonresidents generally cannot claim the standard deduction) and treaty positions.
- Underpayment penalties are computed using the IRS short-term applicable federal rate plus 3 percentage points – the penalty is calculated separately for each quarter, so a late first-quarter payment is not cured by an overpayment in the third quarter.
- Quick SOP tip: flag every client with U.S.-source self-employment income, freelance income, or investment income not subject to Chapter 3 withholding for an estimated tax review at the start of their engagement.
What Form 1040-ES (NR) Is and When to Use It
The U.S. tax system is pay-as-you-go. For most employees, employers withhold income tax from each paycheck and remit it to the IRS on a regular schedule. But nonresident alien individuals who receive income not subject to that mandatory employer withholding – consulting fees, self-employment income, U.S.-source rental income, or investment distributions from pass-through entities – must make their own periodic payments. Form 1040-ES (NR) is the vehicle for those payments.
The “NR” designation matters. The standard Form 1040-ES is designed for U.S. citizens and resident aliens who may claim the full standard deduction, all personal exemptions, and certain credits unavailable to nonresidents. Nonresident aliens are subject to a different set of rules: they generally cannot claim the standard deduction (except for certain residents of India who qualify under a treaty), they are taxed only on U.S.-source income (and effectively connected income), and they compute their alternative minimum tax exposure differently. The 1040-ES (NR) worksheet accounts for these distinctions.
A nonresident alien is generally required to make estimated tax payments when two conditions are both met: (1) the taxpayer expects to owe at least $1,000 in total tax after subtracting withholding and refundable credits, and (2) withholding plus credits will cover less than the smaller of 90% of the current year’s tax liability or 100% of the prior year’s total tax (shown on a full-year 1040-NR). If the prior-year return showed zero tax liability and was a full twelve-month return, the prior-year safe harbor provides complete protection. If no prior-year return was filed as a nonresident, only the 90%-of-current-year test is available.
Common triggering situations I see on my side of the desk: H-1B visa holders who moonlight as consultants, treaty country nationals with U.S. rental property, F-1 Optional Practical Training workers who exceed their withholding gap, partnership K-1 income from a U.S. entity, and nonresident alien sole proprietors with U.S.-based clients. Each of these requires a timely estimated payment conversation early in the relationship – not at extension time.
Resident Alien vs. Nonresident Alien – Why the Form Matters
The determining factor is residency status for tax purposes, not immigration status. Resident aliens – those who hold a green card or meet the substantial presence test – use Form 1040-ES and follow the same estimated tax rules as U.S. citizens. Nonresident aliens – those who fail both the green card test and the substantial presence test – use Form 1040-ES (NR). Dual-status aliens (those who change status during the year) must carefully split their treatment: the resident period uses 1040 rules and the nonresident period uses 1040-NR rules, which affects which estimated payment form governs each quarter.
Income Types That Trigger the Obligation
Not all U.S.-source income creates an estimated tax obligation. Income subject to Chapter 3 withholding at the statutory 30% rate – such as dividends from U.S. corporations paid to a nonresident with a valid W-8BEN on file – satisfies the pay-as-you-go requirement through that withholding. What is left unaddressed are: effectively connected income (ECI) from a U.S. trade or business not covered by employer withholding, pass-through income from a U.S. partnership that does not withhold adequately at the entity level, rental income from U.S. real property where the client has made the net election under Reg. §1.871-10, and self-employment income earned by nonresidents permitted to work in the U.S.
How to Complete Form 1040-ES (NR)
The form itself contains two components: the Estimated Tax Worksheet and four quarterly payment vouchers. Unlike many IRS forms, you do not mail the worksheet – only the voucher (or make an electronic payment) goes to the IRS. The worksheet stays in your file as support for the payment amount.
Estimated Tax Worksheet – Section by Section
| Line | Description | Practitioner Note |
|---|---|---|
| 1 | Adjusted gross income you expect in 2025 – U.S.-source ECI only | Exclude foreign-source income; nonresidents taxed only on U.S.-source income and ECI |
| 2 | Estimated itemized deductions (nonresidents generally cannot use standard deduction) | Most nonresidents are limited to state and local income taxes plus charitable contributions to U.S. charities; certain Indian treaty nationals may claim the standard deduction |
| 3 | Subtract line 2 from line 1; result is estimated taxable income | Verify the treaty claim first; overstating deductions here creates underpayment risk |
| 4 | Tax on line 3 amount using 2025 NR tax rate tables | Use the correct rate table – NR rates differ from resident rates for certain income brackets |
| 5 | Alternative minimum tax | Nonresidents compute AMT on ECI only; foreign-source income is excluded from AMTI |
| 6 | Self-employment tax (Schedule SE amount) | Add here if client has net SE income; nonresidents covered by a totalization agreement may be exempt – verify the treaty country |
| 7 | Other taxes (net investment income tax, recapture taxes) | NIIT applies if client is a nonresident alien resident of a country whose treaty includes a nondiscrimination clause that forces NIIT treatment |
| 8 | Total estimated tax (sum of lines 4–7) | This is your gross liability before credits and withholding |
| 9 | Estimated credits (education credit, child and dependent care, etc.) | Nonresidents are ineligible for most personal credits; earned income credit is never available to nonresidents |
| 10 | Subtract line 9 from line 8 | Rarely differs from line 8 for most NR clients unless they have treaty-based credit positions |
| 11 | Federal income tax withheld | Include Chapter 3 withholding from W-2s, 1042-S forms, and backup withholding |
| 12 | Subtract line 11 from line 10; if less than $1,000, no estimated tax required | This is the gateway test; document your conclusion either way in the file |
| 13 | Safe harbor calculation: 90% of line 10 vs. 100% of prior-year tax (smaller of the two) | No prior year filed? Only 90% test is available; prior year must have been a full 12-month return |
| 14 | Required annual estimated tax payment (line 12 vs. line 13 – larger amount drives payment) | Divide by the number of remaining quarters; use Schedule AI if income is uneven across quarters |
Quarterly Payment Vouchers
Each voucher requires the taxpayer’s name, address, Social Security Number or ITIN (required – no EIN), and the payment amount. The four vouchers are labeled 1 through 4 and correspond to the four quarterly due dates. You do not have to pay exactly one-fourth of the annual liability each quarter – the IRS computes the penalty quarter by quarter, so you can annualize income if the client earns income unevenly (using the annualized income installment method documented in Schedule AI of Form 2210, which nonresidents reference for penalty computation).
Electronic Payment Options
Nonresident aliens can pay estimated taxes electronically through IRS Direct Pay (using a U.S. bank account), EFTPS (Electronic Federal Tax Payment System), or by debit/credit card through one of the IRS-authorized processors. I strongly recommend EFTPS for any client making regular quarterly payments – the confirmation number is immediate and provides audit-ready proof of timely payment. Paper vouchers mailed with a check require the client to retain the certified mail receipt as evidence of timely filing.
Deadlines, Penalties, and Filing Requirements
The standard four-quarter calendar applies to nonresident aliens on the same dates as resident taxpayers, with one important structural difference: the first payment period covers January 1 through March 31, but nonresident aliens who first receive income subject to estimated tax after May 31 or after August 31 of the year enter the system with a reduced number of required installments.
2025 Estimated Tax Due Dates – Calendar-Year Nonresident Alien
| Payment | Period Covered | Due Date | If First Income After |
|---|---|---|---|
| 1st installment | Jan 1 – Mar 31 | April 15, 2025 | N/A |
| 2nd installment | Apr 1 – May 31 | June 16, 2025 | First income after Mar 31 – pay 50% on June 16 |
| 3rd installment | Jun 1 – Aug 31 | September 15, 2025 | First income after May 31 – pay 75% on Sept 15 |
| 4th installment | Sep 1 – Dec 31 | January 15, 2026 | First income after Aug 31 – pay 100% on Jan 15 |
When a due date falls on a Saturday, Sunday, or legal holiday, it shifts to the next business day. Clients who file their 1040-NR return by January 31 and pay the full balance due do not need to make the January 15 fourth-quarter payment.
Underpayment Penalty – How It Works
The underpayment penalty under IRC §6654 is not a flat fee – it is an interest-rate-based charge computed on the underpaid amount for each day it remains unpaid during the quarter. The rate is the federal short-term rate plus 3 percentage points, reset quarterly. For 2024, that rate hovered around 8%. The penalty is computed on Form 2210 (not a separate NR form) using the same mechanics, but nonresidents reference their 1040-NR total tax as the base.
The penalty applies separately to each quarter. A taxpayer who underpays Q1 by $2,000 and overpays Q3 by $2,000 still owes a Q1 penalty – the overpayment does not retroactively cure the Q1 shortfall. This is one of the most commonly misunderstood aspects I encounter when reviewing prior-year filings for new nonresident alien clients.
Waiver of Penalty
The IRS will waive the underpayment penalty on request if: (1) the underpayment was due to casualty, disaster, or other unusual circumstances and imposing the penalty would be inequitable; or (2) the taxpayer retired after reaching age 62 or became disabled during the tax year or the immediately preceding year and the underpayment was due to reasonable cause rather than willful neglect. Request the waiver on Form 2210, Part II. Document the circumstances thoroughly – the IRS does not grant these automatically.
Treaty Benefits and Estimated Tax Calculations
One of the most nuanced issues in computing estimated payments for nonresident alien clients is accounting for treaty benefits correctly. The U.S. has income tax treaties with more than 60 countries, and many of those treaties reduce or eliminate U.S. tax on specific income categories – reduced withholding rates on dividends, exemptions on certain compensation, and in some cases exemption of all compensation for students, researchers, or trainees for a limited number of years.
When computing the estimated tax worksheet, income that is fully exempt from U.S. tax under a treaty is excluded from line 1. Income taxed at a reduced treaty rate is included at that reduced rate, not the statutory rate. The problem I see repeatedly: practitioners include the full amount of income on line 1 and then forget to adjust the tax rate on line 4. Or, less commonly, they exclude treaty-exempt income but then still include the full withholding from line 11, which double-counts the benefit.
ITIN Requirement for Estimated Payments
A nonresident alien who does not have a Social Security Number must obtain an Individual Taxpayer Identification Number (ITIN) before making estimated tax payments. Without an SSN or ITIN, the IRS cannot post the payment to the correct account. The ITIN application (Form W-7) must be submitted with original identification documents or certified copies. Processing currently takes seven to eleven weeks, which means a client who first triggers an estimated payment obligation in March may not have an ITIN in hand before the April 15 due date – a situation that requires a documented reasonable cause explanation if the payment is late.
Totalization Agreements and Self-Employment Tax
Nonresident aliens who are self-employed are generally subject to self-employment tax (SECA) on net SE income from U.S. sources, just as resident aliens and U.S. citizens are. However, the U.S. has totalization agreements with 30+ countries that coordinate social security coverage and can eliminate the U.S. SE tax obligation for workers covered by a foreign social security system. If a client is a citizen of a totalization-agreement country and is covered by their home country’s social security system, they need a Certificate of Coverage from their home country to exclude SE income from U.S. self-employment tax. Line 6 of the estimated tax worksheet becomes zero in that scenario. Always verify the certificate is current before computing estimated payments.
Annualizing Income – When Even Installments Don’t Make Sense
The standard approach to estimated tax payments assumes income is earned evenly throughout the year – 25% per quarter. For many nonresident alien clients, that assumption is wrong. A foreign national who receives a large consulting fee in October, or a nonresident real estate investor who collects rents in Q4 after a slow Q1, will significantly overpay in the early quarters if they use even installments based on an annualized projection.
The annualized income installment method allows the taxpayer to base each quarterly payment on actual income earned through that quarter, annualized and tax-effected, rather than on a pro rata share of the full-year estimate. The computation flows through Schedule AI of Form 2210 and requires maintaining quarterly income records. For clients with highly seasonal income patterns, the result is usually lower Q1 and Q2 payments and higher Q3 and Q4 payments – which is consistent with when the cash actually arrives.
When to Use the Annualized Method
From my side of the desk, the annualized method is worth the additional worksheet complexity when: (a) more than 40% of the client’s income is expected in Q3 or Q4, (b) the client has a significant one-time income event – a property sale, a large consulting engagement, or a K-1 allocation – in a specific quarter, or (c) the client is new to estimated payments mid-year and would otherwise owe a large catch-up payment in Q3. The burden is the quarterly recordkeeping – make sure the client knows they need to track income by quarter, not just annually.
Common Mistakes That Slow Things Down
- Using the resident alien 1040-ES worksheet for a nonresident client – The two worksheets differ in deduction rules and credit eligibility. Nonresidents generally cannot claim the standard deduction; using the wrong worksheet understates taxable income and generates an underpayment penalty. Fix: confirm residency status before opening any estimated tax workpaper.
- Missing the mid-year entry dates for clients who first receive income after May 31 or August 31 – These clients have reduced installment requirements under IRC §6654(d)(2), but practitioners sometimes compute four equal payments anyway, resulting in an overpayment in early quarters. Fix: document the first income date in the client’s file and apply the reduced installment schedule accordingly.
- Forgetting to check for a totalization agreement before computing SE tax on line 6 – Self-employed nonresidents covered by a foreign social security system may owe zero U.S. SE tax. Missing this overstates estimated payments and surprises the client at filing. Fix: add a totalization-agreement checkbox to your NR client intake form.
- Not obtaining the ITIN before the first payment is due – Without an ITIN, the payment cannot be properly credited. Fix: start the ITIN application (Form W-7) immediately upon client engagement for any new nonresident alien with U.S. income not subject to employer withholding.
- Treating treaty-exempt income as includable in line 1 – This overstates estimated tax and results in a refund at filing – but the client paid money they didn’t owe for several quarters. Fix: build treaty position analysis into the estimated tax worksheet prep, not just the annual return.
- Ignoring the January 15 fourth-quarter deadline – Some practitioners assume they can wait until the 1040-NR filing deadline (April 15 for calendar-year filers). They cannot – the Q4 payment is due January 15 unless the return is filed and paid by January 31. Fix: calendar the January 15 date for every NR estimated tax client.
- Applying the prior-year safe harbor when no prior-year NR return exists – The prior-year safe harbor requires a full twelve-month return showing tax liability. A first-year filer or a partial-year prior return does not qualify. Fix: for new clients, only use the 90%-of-current-year test until a qualifying prior-year return exists.
Practical Checklists You Can Reuse
Copy these into your internal wiki or SOP.
Checklist 1 – Nonresident Alien Estimated Tax Eligibility Review
- Confirmed client is a nonresident alien for the tax year (failed both green card test and substantial presence test)
- Identified all U.S.-source income not subject to Chapter 3 withholding (ECI, self-employment, rental net election income, partnership K-1)
- Checked for applicable treaty exemptions or reduced rates; documented treaty article and country
- Verified totalization agreement status if client has self-employment income
- Confirmed ITIN exists or initiated W-7 application
- Applied the $1,000 minimum threshold test (line 12 of worksheet)
- Determined which safe harbor applies (90%/100%) and whether prior-year return qualifies
- Identified whether client qualifies for reduced installment schedule (first income after May 31 or Aug 31)
Checklist 2 – Quarterly Payment Preparation
- Updated estimated income figures based on year-to-date actuals
- Updated treaty positions if client’s circumstances changed
- Confirmed Chapter 3 withholding amounts from 1042-S forms or employer statements
- Ran worksheet to compute net estimated tax owed this quarter
- Confirmed payment method (EFTPS preferred; paper voucher as fallback)
- Set calendar reminder for next quarterly due date
- Saved payment confirmation in client file
Checklist 3 – Annual Reconciliation at Filing Time
- Pulled all four quarterly payment amounts and confirmation records
- Reconciled total payments to 1040-NR line for estimated tax paid
- Reviewed each quarter for potential underpayment; computed Form 2210 penalty if applicable
- Confirmed whether fourth-quarter payment was made or whether January 31 filing and full payment route was used
- Verified all 1042-S withholding credits were included on the return
- Addressed any overpayment: refund or apply to next year’s estimated tax
For Accounting Firms – Keep Delivery Smooth While You Scale
Nonresident alien tax compliance – 1040-NR returns, estimated payment tracking, ITIN management, treaty analysis – is time-intensive when handled for a large portfolio. The quarterly estimated payment cycle alone creates four touchpoints per client per year. Firms that add this work without adding structured delivery capacity tend to find it slipping through the cracks, especially between April and January when it competes with domestic extension season and year-end work. Accountably works with CPA and EA firms to handle this overflow through trained offshore teams familiar with nonresident alien tax workflows, 1040-NR preparation, and estimated payment schedules – so the work stays on cadence without straining your domestic staff.
We keep this mention brief on purpose – your process comes first.
FAQs About Form 1040-ES (NR)
Who is required to file Form 1040-ES (NR)?
Nonresident alien individuals who expect to owe at least $1,000 in U.S. income tax after withholding and credits, and whose withholding will not cover the smaller of 90% of their current-year liability or 100% of their prior-year tax (on a full twelve-month 1040-NR), are required to make estimated tax payments using Form 1040-ES (NR). Resident aliens and U.S. citizens use the standard Form 1040-ES instead.
What is the difference between Form 1040-ES and Form 1040-ES (NR)?
Both forms accomplish the same function – calculating and paying quarterly estimated taxes – but they use different worksheets. The NR version excludes the standard deduction (which most nonresidents cannot claim), adjusts the credit eligibility section (most personal credits are unavailable to nonresidents), and references the 1040-NR tax tables rather than the standard 1040 tables. Using the wrong form typically results in an understated liability for nonresident alien clients.
What happens if a nonresident alien misses an estimated tax payment?
The IRS imposes an underpayment penalty under IRC §6654 equal to the federal short-term rate plus 3 percentage points on the underpaid amount, computed from the due date of the installment through the earlier of the date the return is filed or April 15. The penalty is assessed separately for each quarter, so overpayment in a later quarter does not cancel a penalty on an earlier underpayment. Penalty waivers are available for unusual circumstances or retirement/disability but require a specific request.
Does a nonresident alien on an F-1 student visa need to file Form 1040-ES (NR)?
An F-1 student whose only U.S. income is a university stipend subject to withholding typically does not need to make estimated payments because the withholding covers the liability. However, an F-1 student on Optional Practical Training with additional consulting or freelance income, or one receiving a fellowship stipend that is not withheld upon, may cross the $1,000 threshold and trigger the estimated payment requirement. Always run the worksheet when an F-1 student reports any income outside standard employment.
Can a nonresident alien pay estimated taxes electronically?
Yes. Nonresident aliens can pay through IRS Direct Pay (U.S. bank account required), EFTPS (Electronic Federal Tax Payment System, which requires prior enrollment), or via debit or credit card through one of the IRS-approved payment processors. Electronic payment is strongly preferred because it generates a real-time confirmation number that serves as proof of timely payment. Paper vouchers require the client to retain a certified mail receipt or proof of mailing to document timeliness.
What is the safe harbor for avoiding the estimated tax underpayment penalty?
A nonresident alien avoids the penalty if total estimated payments plus withholding equal at least the smaller of: (a) 90% of the current year’s total tax liability as shown on the 1040-NR, or (b) 100% of the prior year’s total tax as shown on a full-year 1040-NR (not a partial-year or first-year return). If no qualifying prior-year return exists, only the 90%-of-current-year test provides safe harbor protection. Note that for resident aliens with prior-year AGI over $150,000, the prior-year safe harbor rises to 110% – but that rule applies to residents, not nonresidents.
This article is educational, not tax advice. Rules change, and states differ. Confirm thresholds, deadlines, and elections against the current IRS instructions for your year and facts.