1042 Forms Form 1042-S Form 1042-S Instructions: Line-by-Line Filing Guide 2026

At a Glance
Form 1042-S instructions cover how to complete each box on the form for reporting payments to foreign persons. Key boxes include income codes (Box 1), gross income (Box 2), withholding allowance (Boxes 3-4), and tax withheld (Box 7). Withholding agents must also report Chapter 3 and Chapter 4 (FATCA) status codes for both themselves and the recipient.

IRS Form 1042-S Instructions: Line-by-Line Filing Guide

Form 1042-S reports U.S. source income paid to foreign persons and the tax withheld. This guide walks you through every box on the form with clear instructions for accurate completion.

Form 1042-S is more complex than domestic information returns because it must account for tax treaty benefits, Chapter 3 withholding, and Chapter 4 (FATCA) withholding. Accurate completion requires understanding income codes, exemption codes, and recipient status codes.

Form 1042-S Box Overview

Form 1042-S contains the following main sections:

  • Boxes 1-2: Income type code and gross income amount
  • Boxes 3-4: Chapter 3 and Chapter 4 exemption codes and tax rates
  • Boxes 5-6: Withholding allowances
  • Box 7: Federal tax withheld
  • Boxes 8-11: Withholding agent information
  • Box 12: Withholding agent's Chapter 4 status
  • Boxes 13-17: Recipient information and status codes
  • Boxes 18-21: Intermediary and NQI information
  • Boxes 22-24: State reporting information

Box 1: Income Code

Enter the two-digit code identifying the type of income paid. Common income codes include:

Code Income Type
01Interest paid by U.S. obligors - general
04Interest on real property mortgages
06Dividends paid by U.S. corporations - general
07Dividends qualifying for direct dividend rate
10Royalties - industrial (know-how)
11Royalties - motion pictures/TV
12Royalties - other (copyrights)
14Real property income and natural resources royalties
15Pensions, annuities, alimony
16Scholarship or fellowship grants
17Independent personal services
18Dependent personal services
19Compensation for teaching
20Compensation during studying/training
28Gambling winnings
50Other income

Use a separate Form 1042-S for each type of income paid to the same recipient.

Box 2: Gross Income

Enter the total gross income paid to the foreign person before any withholding or deductions.

  • Report the full amount paid, not the net amount after withholding
  • Use U.S. dollars; convert foreign currency using appropriate exchange rates
  • For dividends, report gross dividends without reduction for foreign taxes
  • For compensation, report total wages before any deductions

Box 3a-3b: Chapter 3 Status

Box 3a: Chapter 3 Exemption Code - Enter the two-digit code explaining why withholding is reduced or exempt under Chapter 3:

  • 00: Not exempt (30% withholding applies)
  • 01: Income exempt under IRC (e.g., portfolio interest)
  • 02: Exempt under tax treaty
  • 03: Income is not from U.S. sources
  • 04: Exempt under IRC (various provisions)
  • 05: Portfolio interest exempt under IRC Section 881(c)

Box 3b: Tax Rate - Enter the withholding rate applied (e.g., "30.00" for 30%, "15.00" for 15% treaty rate).

Box 4a-4b: Chapter 4 (FATCA) Status

Box 4a: Chapter 4 Exemption Code - Enter the two-digit FATCA exemption code:

  • 00: Not applicable or not a withholdable payment
  • 01: Payee is a U.S. person
  • 02: Payee not subject to withholding under Chapter 4
  • 03: Effective connected income
  • 04: Exempt per treaty
  • 13: Exempt recipient (foreign government, etc.)
  • 14: Payee is participating FFI
  • 15: Payee is registered deemed-compliant FFI

Box 4b: Tax Rate - Enter the Chapter 4 withholding rate if applicable.

Box 7: Federal Tax Withheld

Enter the total federal income tax withheld from the gross income reported in Box 2.

  • This amount should equal Box 2 multiplied by the applicable withholding rate(s)
  • If no tax was withheld (due to exemption or treaty), enter 0.00
  • Report total withholding from both Chapter 3 and Chapter 4
  • Do not include state tax withheld here (report in Box 24)

Boxes 8-11: Withholding Agent Information

Enter the withholding agent's identifying information:

  • Box 8: Withholding agent's EIN (Employer Identification Number)
  • Box 9: Withholding agent's name
  • Box 10: Withholding agent's Global Intermediary Identification Number (GIIN) if applicable
  • Box 11: Country code of the withholding agent

The withholding agent is the U.S. person who pays the income and withholds the tax.

Box 12a-12c: Withholding Agent Chapter 4 Status

Identify the withholding agent's status for FATCA purposes:

  • Box 12a: Chapter 4 status code (e.g., U.S. withholding agent, participating FFI, etc.)
  • Box 12b: GIIN if the withholding agent is an FFI
  • Box 12c: Country code

Boxes 13-17: Recipient Information

Enter the foreign recipient's identifying information:

  • Box 13a-g: Recipient's Chapter 3 and Chapter 4 status codes
  • Box 13h: Recipient's GIIN (if applicable)
  • Box 13i: Recipient's foreign TIN
  • Box 13j: LOB code (Limitation on Benefits provision code)
  • Box 14: Recipient's name
  • Box 15: Recipient's country code
  • Box 16: Recipient's address
  • Box 17: Recipient's U.S. TIN (if any)

Recipient status codes are critical for proper reporting. Common codes include "01" for individual, "02" for corporation, "03" for partnership, etc.

Boxes 22-24: State Reporting

For state tax reporting:

  • Box 22: State code (two-letter abbreviation)
  • Box 23: State identification number
  • Box 24: State income tax withheld

Complete these boxes only if state income tax was withheld from payments to the foreign recipient.

How to E-File Form 1042-S

E-file your Form 1042-S with the IRS using BoomTax. Our platform validates your data and ensures proper code usage for accurate international tax reporting.

Import Your Form 1042-S Data

You can import your data as Excel, XML, or use files from popular payroll providers like QuickBooks, UKG, ADP, and many more.

Step-By-Step Wizard

We walk you through the process with no complicated jargon. You can also live chat with a real person as you work on your filing for hands-on help.

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Related 1042-S Resources

Ken Ham
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Ken Ham
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