Independent form guide. BrieflyGo is not affiliated with or endorsed by IRS, USCIS, SSA, DOL, or any U.S. government agency. Official forms are sourced from public government websites.
Official form guide
IRS Form 1120-F (Schedule S) is used by foreign corporations to claim an exclusion from gross income under section 883. It reports information required by the regulations, and a qualified foreign country must be entered on Line 1a.
Need help with Form 1120-FS?
Open it in the AI Editor for field guidance, checks, and PDF export.
Need help? AI Editor guides you through every field of Form 1120-FS.
Start filling →Form Overview
IRS Form 1120-F (Schedule S) is used by foreign corporations to claim an exclusion from gross income under section 883. It reports information required by the regulations, and a qualified foreign country must be entered on Line 1a.
Plain English
This form allows certain foreign companies that operate ships or aircraft internationally to reduce their taxable income. By filing Form 1120-F (Schedule S), these corporations report details about their operations and qualify for an exemption from gross income under IRS Section 883.
Submission Date
AI co-pilot
Form selector
Entity is a foreign corporation operating ships/aircraft
Used to claim exclusion under section 883 and provide required reporting.
✓ Check Line 1a for the organizing country.
Corporation has closely held stock meeting exceptions
Required to check 'Yes' on Line 9 and complete Lines 10a/10b to substantiate the exception.
✓ Verify documentation from qualified shareholders per Reg. § 1.883-4(d).
Corporation is related to a partnership under section 267(b)(10)
The corporation must consider the partnership interest owned directly and through application of section 267(e)(3) when determining ownership.
✓ Confirm this relationship applies before completing Line 8.
Investment company is a shareholder in the closely-held block
An investment company, as defined in Reg. § 1.883-2(d)(3)(iii)(B), shall not be treated as a 5% shareholder for these rules.
✓ Ensure this classification is accounted for when completing Line 8.
The filing trigger is the corporation's tax year; the deadline follows the general filing requirements set by Form 1120-F instructions. No specific extension date is provided in this excerpt, but the form must accompany the main return.
Checklist
Purpose
To claim exclusion from gross income under section 883 and provide reporting information. · Instructions p.1
Filer Requirement
Qualified foreign corporations engaged in the international operation of ships or aircraft. · Instructions p.1
Line 1a Entry
Name of the qualified foreign country where the corporation was organized. · Form p.1
Close Holding (L9/10)
If one or more 5% shareholders own $ge$ 50% vote/value of stock. · Instructions p.2
Qualified Shareholder Definition
A person owning at least 5% of total vote and value of outstanding shares. · Instructions p.3
Line 10a (i) Data
Number of days during the tax year stock was closely held (excluding exception). · Form p.2
Field map
Entity Info
2 items
Full legal name of the corporation and its Employer Identification Number.
Current mailing address and date of incorporation.
Income
3 items
Total revenue from business operations before deducting costs.
Direct costs attributable to producing goods sold by the corporation.
Gross receipts minus cost of goods sold and returns/allowances.
Deductions
1 items
Sum of all business expenses including compensation, rent, interest, taxes, and depreciation.
Tax
2 items
Total income minus total deductions.
Tax calculated on taxable income using the applicable corporate tax rate, minus any credits.
Signatures
1 items
An authorized corporate officer must sign and date the return.
Almost done reviewing the fields?
Fillable formOpen in Editor->The current edition of Schedule S (Form 1120-F) is dated December 2022; for the latest information, filers should consult IRS.gov/Form1120F.
Quick Facts
Downloads
What makes income 'qualified' for exclusion?
It must be properly includible in lines 2a through 2h of Schedule S AND subject to an equivalent exemption granted by the qualified foreign country.
→ Check both criteria are met before claiming the exclusion.
How do I know if my foreign country is a 'qualified foreign country'?
It must grant an equivalent exemption AND it must be a foreign country or U.S. possession that grants this exemption for the category of income.
→ Ensure you meet the definition and stock ownership tests mentioned in the instructions.
What counts as an 'equivalent exemption' that DOES NOT qualify?
Examples include inbound/outbound freight tax, territorial tax systems, or exemptions within specific categories of income.
→ Review Regulations section 1.883-1(h) for a complete list.
When do I need to fill out Line 10 on Schedule S (Form 1120-F)?
If the answer to question 9 ('Do one or more 5% shareholders own in the aggregate 50% or more...?') is 'Yes'.
→ Skip line 10 only if you answered 'No' to question 9.
What does 'international operation of ships or aircraft' exclude?
It excludes activities like non-vessel operating common carrier operations, ship brokering, and travel agent activities.
→ Verify the specific activity against the list provided in the instructions.
Where do I find definitions for terms used on Schedule S (Form 1120-F)?
Definitions are found within the instruction booklet itself, such as 'qualified foreign country' and 'equivalent exemption'.
→ Refer to the general instructions section of the form package.
Workflow map
Before
Current
After
Often used with
⚠ If something goes wrong
This form allows certain foreign companies that operate ships or aircraft internationally to reduce their taxable income. By filing Form 1120-F (Schedule S), these corporations report details about their operations and qualify for an exemption from gross income under IRS Section 883.
Qualified foreign corporations engaged in the international operation of ships or aircraft that are claiming an exclusion of gross income under section 883 must complete Schedule S (Form 1120-F).
Part I identifies the qualified foreign country and type of equivalent exemption. Part II details the Stock Ownership Test for Publicly-Traded Corporations, while Part III covers the test for Controlled Foreign Corporations.
The form must be attached to the foreign corporation's Form 1120-F income tax return; the time and place of filing are determined by the instructions for Form 1120-F.
The form is filed as an attachment to the main Form 1120-F, following the specific time, place, and manner detailed in the Instructions for Form 1120-F.
First, complete Part I by entering the foreign country name (Line 1a) and exemption type (Line 1b). Next, select which stock ownership test applies on Line 2h and complete Parts II or III accordingly. If applicable, check box Line 4 and fill out the required details in Part IV.
The source does not specify a direct penalty amount, but filing incorrectly means failing to claim the required exclusion from gross income under section 883.
It must be properly includible in lines 2a through 2h of Schedule S AND subject to an equivalent exemption granted by the qualified foreign country. Check both criteria are met before claiming the exclusion.
Source transparency
BrieflyGo links to and explains official public form sources. We are not a government agency, and this page is for general form guidance, not legal advice.
Review risky clauses in plain English, fix the document, and keep it moving toward signature.