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IRS Form 1040-NR (2020): Nonresident Alien Income Tax Return

Download, complete, and file your 2020 nonresident federal return accurately, resolve outstanding withholding issues, avoid costly filing errors, and get ahead of any IRS follow-up.
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Published date:
November 14, 2025
Updated date:
June 1, 2026

Download the Official 2020 Form 1040NR

Download the official Form 1040NR for tax year 2020 and review each section before filling it out. Using the wrong tax year form will result in rejection — always confirm you have the 2020 version before starting.

Form 1040NR — IRS Form 1040-NR (2020): Nonresident Alien Income Tax Return

Tax Year 2020  ·  PDF Format

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IRS Form 1040NR (2020) — At a Glance

IRS Form 1040-NR is the federal income tax return for individuals who did not meet the substantial presence test or the green card test in 2020. It covers wages, business income, FDAP income, and capital gains from U.S. sources, including filings by a nonresident alien beneficiary or nonresident alien landlord.

Late Filers

Nonresident taxpayers who missed the 2020 deadline can still file Form 1040-NR, though penalties and interest may have accrued since.

Multiple Income Sources

Taxpayers reporting wages, dividends, capital gains, and FDAP income from U.S. sources must enter each category on the correct line for IRS verification.

Itemizing Deductions

Nonresident aliens may deduct expenses connected to U.S.-source income, including state and local taxes, though eligibility differs from resident alien rules.

Claiming 2020 Credits

Eligible nonresident taxpayers may claim limited credits for 2020 under certain income tax treaty situations. Always confirm eligibility before claiming any credit.

IRS Compliance

Accurate reporting of effectively connected income and FDAP income ensures that withholding records from employers, withholding agents, and financial institutions align with figures entered on the return.

Citizens Abroad / Military

Nonresident aliens who performed personal services in the United States during 2020 must file Form 1040-NR if those services generated effectively connected income.

Who Needs Form 1040NR (2020)

Form 1040-NR applies to nonresident aliens who earned U.S.-source income during 2020 and meet IRS filing requirements. This includes late filers, those with income not fully covered by withholding, and individuals establishing a compliance record.

Late Filers

Nonresident taxpayers who missed the 2020 deadline must still submit Form 1040-NR to report U.S.-source income and prevent further penalty accumulation.

Multiple Income Sources

Individuals who received wages, compensation, business income, dividends, capital gains, or FDAP income from U.S. sources during 2020 must report each item separately.

Itemizing Deductions

Nonresident aliens who paid state and local taxes or incurred allowable expenses connected to U.S. income may itemize deductions instead.

Claiming 2020 Credits

Nonresident taxpayers who qualify under an applicable income tax treaty or specific IRS rules may claim certain credits for 2020. Verify guidance before applying.

IRS Compliance

A nonresident alien must file Form 1040-NR if engaged in a U.S. trade or business or if withholding did not cover their tax liability.

Citizens Abroad / Military

Nonresident aliens residing abroad who performed personal services in the United States during 2020 must file if those services produced effectively connected income.

How to Complete Form 1040NR (2020)

Complete Form 1040-NR for 2020 by working through each section in order, entering income, deductions, and treaty claims on the correct lines before signing and submitting.

1. Gather Your Documents

Collect all records before completing the return. You will need Forms W-2, 1042-S, and 1099 reflecting wages, withholding, dividends, and FDAP income. Also, gather records for business income, real property interests, and income tax treaty documentation.

2. Choose the Correct Filing Status [2020] Only

Form 1040-NR limits filing status to three options for 2020: single, married filing separately, and qualifying widow(er). Married filing jointly and head of household are not permitted on Form 1040-NR. In certain cases, a nonresident alien may elect resident treatment and file a joint Form 1040/1040-SR instead. Verify eligibility before selecting a status.

3. Report All Income on the Correct Lines

Enter each income type in its designated section. Effectively connected wages go on line 1a, business income on Schedule C, and capital gains through Schedule D to line 7. FDAP income — including dividends, interest, and periodical gains — goes in the FDAP section. Schedule NEC covers U.S.-source income not effectively connected with a U.S. trade or business.

4. Calculate Adjusted Gross Income (AGI)

Nonresident aliens may claim above-the-line adjustments connected to effectively connected income, including certain business expenses and IRA deductions where eligible. AGI determines the tax base the IRS uses to calculate your 2020 liability and controls access to deduction phaseouts. Confirm each adjustment against the 2020 IRS instructions.

5. Choose Your Deductions and Apply Exemptions [2020] Only

Nonresident aliens generally cannot claim the standard deduction but may itemize deductions connected to U.S. income. An exception applies for students or business apprentices from India eligible under Article 21(2) of the U.S.-India treaty. Standard deductions were $12,400 (single), $24,800 (married filing jointly), $18,650 (head of household), and $12,400 (married filing separately).

6. Claim the 2020-Specific Credit [2020] Only

The 2020 Recovery Rebate Credit cannot be claimed on Form 1040-NR. Treaty-based positions are disclosed on Schedule OI, and Form 8833 must be attached if required. Use Form 8962 only for Premium Tax Credit reconciliation.

Critical Filing Facts for Tax Year 2020

These are not general guidelines — they are the official IRS rules specific to the 2020 tax year. Know them before you file.

Filing Deadline — June 15, 2021

Only Form 1040-NR was generally due April 15, 2021, for employees with wages subject to U.S. withholding or those with a U.S. office or place of business. Otherwise, the due date was June 15, 2021. An extension to October 15, 2021, was available via Form 4868. Interest accrued from the original due date, regardless of any extension.

Refund Deadline — Likely Expired

The deadline to claim a 2020 refund is generally the later of 3 years from the date the original return was filed or 2 years from the date the tax was paid. Withholding is generally treated as paid on the due date. Special exceptions can extend the period. Consult a tax professional to evaluate your situation.

Processing Time — Allow Several Months

Paper-filed Form 1040-NR returns for 2020 require several months to process, particularly when they include FDAP income, real property interests, or foreign partner taxes that require additional IRS review. Taxpayers who owe a balance should submit payment promptly to limit ongoing interest and penalty accumulation while the return is being processed.

E-Filing Restriction — Paper Mail Required [2020] Only

For 2020, Form 1040-NR could be filed electronically, and paper filing was also an option. IRS instructions state that most tax return preparers are generally required to e-file Forms 1040-NR for taxable returns filed for tax years ending on or after December 31, 2020. Confirm current IRS guidance for any updates to e-filing availability for prior-year nonresident returns before submitting.

Missing W-2s or Tax Records for 2020?

If you no longer have the income documents you need to complete your 2020 Form 1040-NR, the IRS and other agencies offer official records that reconstruct your filing history. Acting on transcripts rather than estimates is essential for nonresident filers.

IRS Wage & Income Transcript

The IRS wage & income transcript for 2020 shows amounts reported by employers and withholding agents. Request it through your IRS online account or Form 4506-T.

IRS Account Transcript

The IRS account transcript reflects payments made, penalties assessed, and account adjustments for 2020, confirming that estimated tax payments and withholding credits were properly applied.

Social Security Administration

The Social Security Administration maintains 2020 wage records under your Social Security number or ITIN. Nonresident aliens subject to FICA withholding may request earnings statements directly from the SSA.

Contact Prior Employers

If IRS transcripts do not reflect all income received during 2020, contact prior employers or withholding agents to request duplicate copies of Forms W-2 or 1042-S.

Do not estimate income figures on your 2020 Form 1040-NR — use IRS transcripts to ensure all reported amounts match IRS records.

Missing W-2s or Tax Records?

You can still complete your return even without original records

Owe Taxes for 2020? Know Your Options

Nonresident taxpayers who owe a balance for 2020 face penalties and interest that have been accumulating since the original filing deadline. Understanding your options allows you to reduce what you owe and resolve the liability efficiently.

Failure-to-File Penalty

(5% per month, up to 25%)

The IRS assesses a failure-to-file penalty of 5% of unpaid taxes per month, up to 25%, beginning after the applicable due date — April 15, 2021, or June 15, 2021, for 2020 Form 1040-NR filers.

Failure-to-Pay Penalty

(0.5% per month + interest)

A separate failure-to-pay penalty of 0.5% per month applies to any unpaid balance, compounding alongside statutory interest at the federal short-term rate plus 3%, accruing until the balance is paid in full.

Penalty Abatement Options

(First-Time Abatement & Reasonable Cause)

The IRS offers first-time abatement for taxpayers with a clean three-year compliance history, and reasonable cause abatement for circumstances beyond your control. Requests may be accepted by phone or submitted via written statement or Form 843.

Filing late is always better than not filing — the failure-to-file penalty is much higher than the failure-to-pay penalty, and both running together reduces the failure-to-file amount.

Owe Taxes and Need Help?

If your tax situation has resulted in unpaid IRS debt, professional help can reduce what you owe and stop enforcement actions:

Request a free tax relief assessment — speak with a licensed specialist today.

Common Mistakes on 2020 Returns

Avoiding these errors before you submit your 2020 Form 1040-NR reduces processing delays and prevents unnecessary IRS correspondence.

  • Using the wrong tax year form — Submitting a Form 1040-NR from any year other than 2020 will result in rejection. Always verify the year printed on the form before completing any section.

  • Missing Schedule NEC or FDAP income section — Omitting the FDAP income schedule or failing to complete Schedule NEC for non-effectively-connected income is a common error that creates income discrepancies during IRS matching.

  • Wrong filing status selection — A taxpayer filing Form 1040-NR cannot use married filing jointly or head of household, though some nonresident aliens may elect resident treatment and file jointly.

  • Applying resident alien deduction rules — Nonresident filers generally cannot claim the standard deduction, though an exception applies for certain students or business apprentices from India under the U.S.-India treaty.

  • Omitting FDAP income or effectively connected income — Leaving out dividends, interest, royalties, or other FDAP items creates mismatches with withholding agent records already on file with the IRS.

  • Assuming a refund is still available —The 2020 refund window has likely closed. Filing without verifying refund availability wastes effort and may produce no recovery. Confirm eligibility before submitting.

  • Missing or incorrect identification numbers — SSN or ITIN discrepancies between the return and IRS records cause immediate processing failures. Confirm all identification numbers match official documents before filing.

  • Unsigned return — A Form 1040-NR submitted without a signature in all required fields cannot be processed. The IRS will return unsigned paper returns, adding additional delays.

  • Missing required attachments — For a paper 2020 Form 1040-NR, attach Forms W-2, 1042-S, SSA-1042S, RRB-1042S, and 8288-A to the front. Attach Form 1099-R only if tax was withheld.

Frequently Asked Questions

What is IRS Form 1040-NR (2020) used for?

IRS Form 1040-NR is the federal income tax return for nonresident aliens during the 2020 tax year. It reports wages, business income, FDAP income, capital gains, and other U.S.-source amounts. The IRS uses it to verify withholding, assess tax liability, and process any refund or credit.

Can I still file a 2020 tax return?

Yes, you can still file a 2020 Form 1040-NR even though the original deadline has passed. Filing now stops the failure-to-file penalty from growing and resolves outstanding liability. However, the three-year refund window has likely closed. Consult a tax professional before filing.

What is the difference between effectively connected income and FDAP income on Form 1040-NR?

Effectively connected income is directly linked to a U.S. trade or business and includes wages, business income, and certain capital gains. FDAP income covers passive items such as dividends, interest, and royalties. Each category is taxed differently and reported in separate sections of Form 1040-NR.

What documents do I need to complete Form 1040-NR for 2020?

You will need Forms W-2, 1042-S, and 1099 reflecting wages, FDAP income, dividends, and capital gains. Also, gather records for business income, real property transactions, and applicable income tax treaty documentation. If originals are unavailable, request IRS transcripts using Form 4506-T before completing the return.

How do income tax treaties affect what I report on Form 1040-NR?

An applicable tax treaty may reduce the tax rate on certain income types or exempt specific amounts from U.S. income tax. For 2020, treaty-exempt income is disclosed on Schedule OI, including the country and treaty article. Attach Form 8833 if required.

What filing status options are available on Form 1040-NR for 2020?

Nonresident aliens filing Form 1040-NR for 2020 may select single, married filing separately, or qualifying widow(er). Married filing jointly and head of household are not permitted. In certain cases, a nonresident alien may elect resident treatment and file a joint Form 1040/1040-SR instead.

What happens after I file Form 1040-NR for 2020?

The IRS reviews the return and matches reported income against records from employers, withholding agents, and financial institutions. If withholding credits, treaty claims, or FDAP entries appear inconsistent, the agency may request clarification. Retain copies of all filings and supporting documents throughout the process.

Can I amend my 2020 Form 1040-NR if I made an error?

Yes, to correct income, deductions, credits, or treaty claims on a previously filed 2020 Form 1040-NR, file an amended return using Form 1040-X. Include all corrected figures and supporting documentation. Note that amending to claim a refund is subject to the same three-year window limitation.

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