Who must file Form 5471 Schedule I-1?

U.S. shareholders of controlled foreign corporations who have GILTI or foreign oil and gas extraction income must attach Schedule I‑1 to their Form 5471 filing.

Is the Schedule I-1 available as a fillable PDF?

Yes. The IRS provides a fillable PDF (Rev. December 2021) which can be completed online using Formize’s PDF filler.

Can I edit the PDF on my computer without Formize?

You can use any PDF editor, but Formize’s online filler saves your work automatically and requires no installation.

What is GILTI and why does it matter?

GILTI stands for Global Intangible Low‑Taxed Income. It is a category of income that U.S. shareholders must report to prevent tax deferral on foreign earnings.

Do I need to attach supporting documents to Schedule I-1?

Only if the IRS specifically requests additional detail for the items reported on lines 2a‑2e. Otherwise, the schedule itself is sufficient.

What if I make a mistake after filing?

Amend the original return by filing Form 1040X and attach a corrected Schedule I‑1. Include an explanation of the changes.

Is there a filing deadline for Schedule I-1?

Schedule I‑1 is due with the taxpayer’s Form 5471, which is attached to the individual’s annual tax return (typically April 15, with extensions as applicable).

Form 5471 Schedule I-1 – Fillable PDF Online

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Form 5471 Schedule I-1 – Fillable PDF Online

Form 5471 Schedule I‑1 is a supplemental attachment to the IRS Form 5471 series. It is used to report Global Intangible Low‑Taxed Income (GILTI) and related foreign oil and gas extraction income for U.S. shareholders of controlled foreign corporations.

Why Use a Fillable PDF?

Downloading the official IRS PDF guarantees you have the most current version. With Formize’s online PDF filler you can:

Complete the schedule directly in your browser – no extra software needed.
Save progress and return later.
Export a clean, printable PDF ready for filing.
Maintain data security with SSL‑encrypted connections.

How the Form Works

Schedule I‑1 captures detailed information on:

Foreign oil and gas extraction income (lines 2a‑2e).
Total exclusions and deductions.
GILTI calculations required for the 2021‑2025 tax years.

Common Mistakes to Avoid

Leaving lines blank: Even if a line is zero, enter “0” to avoid processing delays.
Mismatched totals: Ensure the sum of lines 2a‑2e matches the total exclusion amount.
Using an outdated version: Always use the latest PDF (Rev. December 2021) linked below.
Incorrect rounding: Follow IRS rounding rules – round to the nearest whole dollar unless otherwise specified.

Download the Official PDF

Click the button below to download the IRS‑approved Schedule I‑1 PDF. Then use the Fill out this form button on the page to open the Formize PDF filler.

Instructions

Form 5471 Instructions - Instructions for Form 5471, Information Return of U.S. Persons With Respect to Certain Foreign Corporations

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FAQ

Who must file Form 5471 Schedule I-1?
U.S. shareholders of controlled foreign corporations who have GILTI or foreign oil and gas extraction income must attach Schedule I‑1 to their Form 5471 filing.
Is the Schedule I-1 available as a fillable PDF?
Yes. The IRS provides a fillable PDF (Rev. December 2021) which can be completed online using Formize’s PDF filler.
Can I edit the PDF on my computer without Formize?
You can use any PDF editor, but Formize’s online filler saves your work automatically and requires no installation.
What is GILTI and why does it matter?
GILTI stands for Global Intangible Low‑Taxed Income. It is a category of income that U.S. shareholders must report to prevent tax deferral on foreign earnings.
Do I need to attach supporting documents to Schedule I-1?
Only if the IRS specifically requests additional detail for the items reported on lines 2a‑2e. Otherwise, the schedule itself is sufficient.
What if I make a mistake after filing?
Amend the original return by filing Form 1040X and attach a corrected Schedule I‑1. Include an explanation of the changes.
Is there a filing deadline for Schedule I-1?
Schedule I‑1 is due with the taxpayer’s Form 5471, which is attached to the individual’s annual tax return (typically April 15, with extensions as applicable).

HOW TO

How to fill out Form 5471 Schedule I-1 for free, online in 4 easy steps:

1
Open the Fillable Form
Click the **Fill out this form** button on the page. The Formize PDF Filler app will load in a new browser tab.
2
Enter Your Information
Type directly into each field of Schedule I‑1. Use the on‑screen guidance for line numbers and required data.
3
Save or Export
When you finish, click **Save** to store the document in your Formize account or **Export** to download a completed PDF for filing.
4
Review Before Submitting
Double‑check totals, ensure no fields are left blank, and verify that all required signatures are included.

ABOUT

Tax forms

Form 5471 Schedule I-1 is one of Tax forms that are documents used to report income, deductions, and tax liability to the relevant tax authority. These forms are an essential part of the tax filing process and are used to ensure individuals and businesses comply with tax laws and accurately calculate their tax obligations.

The specific tax forms required can vary depending on factors such as an individual's filing status, sources of income, and the country's tax laws. However, here are some common types of tax forms:

Individual Income Tax Forms: These forms, such as the 1040 series in the United States, are used by individuals to report their income, claim deductions and credits, and calculate their tax liability.

Business Tax Forms: Businesses, including sole proprietorships, partnerships, corporations, and self-employed individuals, may have to file various forms to report their income, expenses, and taxes owed. Examples include Schedule C (Profit or Loss from Business) and Form 1120 (U.S. Corporation Income Tax Return).

Employment Tax Forms: Employers are required to report employee wages and withhold and remit payroll taxes. Forms such as W-2 (Wage and Tax Statement) and 941 (Employer's Quarterly Federal Tax Return) are used for this purpose.

Investment and Retirement Account Forms: These forms are used to report investment income, capital gains, and losses, as well as contributions and distributions from retirement accounts. Examples include Form 1099-DIV (Dividends and Distributions) and Form 5498 (IRA Contribution Information).

Estate and Gift Tax Forms: When a person passes away or makes significant gifts, specific forms such as Form 706 (United States Estate (and Generation-Skipping Transfer) Tax Return) and Form 709 (United States Gift (and Generation-Skipping Transfer) Tax Return) are used to report and calculate any applicable estate or gift taxes.

It is important to note that tax laws and forms can change over time, so individuals and businesses should consult the relevant tax authority or seek professional tax advice to ensure compliance with the current requirements.

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