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Form 1042-S (2013) Foreign Person’s U.S. Source Income Guide

Learn how to file Form 1042-S (2013) for foreign persons, report income, claim treaty benefits, and handle tax withheld under IRS rules.
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Form — Form 1042-S (2013) Foreign Person’s U.S. Source Income Guide

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Reviewed by: William McLee
Reviewed date:
November 4, 2025

What Form 1042-S (2013) Is For

A withholding agent uses IRS Form 1042-S (2013) to report income paid from U.S. sources to foreign persons, including foreign corporations, partnerships, and nonresident aliens. This form provides details about gross income, tax withheld, and treaty benefits applied under a tax treaty. It ensures the IRS tracks U.S.-source income, verifies tax compliance, and records overwithheld tax repaid to qualified recipients.

When You’d Use Form 1042-S (2013)

You must file Form 1042-S (2013) when a withholding agent pays U.S.-source income to a foreign person, such as dividends paid, interest paid, or scholarship or fellowship grants. The filing applies even when tax was not withheld because of treaty benefits or effectively connected income. The due date for withholding agent filing was March 15, 2014, and electronic filing was required for filers with 250 or more forms.

Key Rules or Details for 2013

  • Electronic Filing Requirement: Withholding agents who filed 250 or more forms had to use the Filing Information Returns Electronically (FIRE) system for accurate reporting to the IRS.

  • Foreign Tax Identification Number: Each foreign person receiving income was required to provide a valid foreign tax identification number or taxpayer identification number for proper reporting.

  • State Income Tax Withheld: When applicable, state income tax withheld had to be included alongside federal tax withheld and reported accurately.

  • Annual Withholding Tax Return: Withholding agents were also required to file Form 1042, the annual withholding tax return, to reconcile the total income paid and tax withheld.

  • Federal Procurement Payments Paid: Payments made under federal procurement contracts to foreign entities must be reported as source income, subject to withholding.

  • Overwithheld Tax Repaid: If tax was overwithheld, withholding agents were responsible for repaying the excess amount to recipients before year-end.

  • Tax Treaty Benefits: Claiming treaty benefits required valid documentation proving eligibility, such as Forms W-8BEN or W-8ECI.

  • Accurate Reporting: The withholding agent’s name, recipient’s account number, and income codes had to match exactly across all tax forms submitted.

Browse more tax form instructions and filing guides in our Forms Hub.

Step-by-Step (High Level)

Step 1: Identify reportable payments

Determine which payments made to foreign persons or foreign corporations qualify as U.S.-source income subject to income tax withholding, such as dividends or independent personal services.

Step 2: Verify documentation

Collect the appropriate forms, including the foreign tax identification number and foreign postal code, to confirm the taxpayer’s identity and eligibility for any tax treaty benefits.

Step 3: Determine the correct tax rate

Apply the correct tax rate based on whether the income is effectively connected income or fixed or determinable annual or periodical income. Use presumption rules when documentation is incomplete.

Step 4: Withhold and remit taxes

Withhold the correct federal tax and state income tax, if applicable. Deposit withheld funds using the designated withholding agent’s account and follow federal tax payment procedures.

Step 5: Complete the form accurately

Fill out all required boxes, including the recipient’s account number, gross amount, tax withheld, and income codes. Report income paid under the correct categories using the following income codes.

Step 6: File and distribute copies

File Copy A of Form 1042-S with the IRS and furnish other copies to the foreign recipients. The primary withholding agent must also send Form 1042-T to summarize all forms that have been filed.

Step 7: File Form 1042

Submit Form 1042, the annual withholding tax return for U.S. source income of foreign persons, to summarize total gross income, tax withheld, and any overwithheld tax repaid.

Learn more about federal tax filing through our IRS Form Help Center.

Common Mistakes and How to Avoid Them

  • Incorrect income codes: Always confirm income codes with IRS instructions to ensure that income paid and tax withheld are reported accurately for each foreign person.

  • Missing taxpayer identification number: Ensure every recipient has a valid foreign tax identification number to avoid penalties and delays in reporting or claiming treaty benefits.

  • Blended tax rates: File a separate Form 1042-S for each distinct tax rate, rather than combining them, which ensures consistent and compliant income tax withholding records.

  • Ignoring electronic filing requirements: Use the IRS FIRE system for electronic filing to ensure compliance and to prevent processing delays for large-volume withholding agent filings.

  • Failure to report overwithheld tax repaid: Record and return any overwithheld tax promptly to the foreign recipient before filing, and maintain accurate records for the federal tax return.

  • Incomplete information: Verify that all tax forms list the withholding agent’s name, corporate structure, recipient’s account number, and all required details before submission.

  • Improper handling of flow-through entities: When payments are made through a flow-through entity, confirm that reporting aligns with the correct foreign partner’s share and tax liability rules.

Learn more about how to avoid business tax problems in our guide on How to File and Avoid Penalties.

What Happens After You File

After the withholding agent files Form 1042-S, the IRS matches it with the related Form 1042 to verify gross income, federal tax withheld, and tax paid. Foreign persons use their copies to file federal tax returns and claim any overwithheld tax that has been repaid. Withholding agents must keep records for at least three years. Any errors or discrepancies may trigger IRS correspondence requiring corrections for tax compliance purposes.

FAQs

Do foreign persons need to file Form 1042-S 2013 even if no tax was withheld?

Yes, Form 1042-S 2013 must still be filed for all foreign persons with U.S.-source income, even if no tax was withheld due to treaty benefits.

How does a withholding agent report tax paid for foreign corporations?

A withholding agent reports tax paid by filing Form 1042-S and Form 1042, ensuring that all federal procurement payments and gross income for foreign corporations are accurately included.

What if the state income tax withheld is missing from the report?

The withholding agent must correct the form immediately, file an amended copy, and include state income tax withheld details to maintain accurate reporting and compliance.

Can a primary withholding agent claim overwithheld tax repaid on a later filing?

Yes, the primary withholding agent may claim overwithheld tax repaid on a later annual withholding tax return, provided documentation supports the repayment and federal tax withheld adjustments.

How is net income determined for a foreign partnership or disregarded entity?

Net income for a foreign partnership or disregarded entity is calculated after accounting for federal tax withheld, income paid, and any backup withholding from U.S.-source payments.

What is required if the recipient's account number or taxpayer identification number is missing?

When missing, the withholding agent must apply presumption rules and withhold at the highest tax rate while continuing efforts to obtain the recipient’s account number or identification.

How do foreign corporations and financial institutions file IRS Form 1042 electronically?

Foreign corporations and financial institutions file IRS Form 1042 through the FIRE system. They must ensure accurate reporting of gross amount, own funds, and electronic filing certifications.

https://www.cdn.gettaxreliefnow.com/International%20%26%20Foreign%20Reporting/1042-S/1042-S_2013_fillable.pdf

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