IRS Instructions for Form 1120-F: a foreign company claims a refund of US tax withheld at source on this return (IRS, Instructions for Form 1120-F (2025), Who Must File; Exceptions From Filing)
A holder company that had more US tax withheld than it owed (for example at the default rate when a treaty rate applied) claims the excess back by filing Form 1120-F for that year. A company with no US business whose full US tax was withheld at source does not otherwise file it.
Dated 18 Oct 2026Source checked 18 Oct 2026Basis: primary text
In the source's own words
“This form is also required to be filed by the following. A foreign corporation making a claim for the refund of an overpayment of tax for the tax year. ... Exceptions From Filing A foreign corporation does not have to file Form 1120-F if any of the following apply. It did not engage directly or indirectly in a U.S. trade or business during the year, and its full U.S. tax was withheld at source.”
Figures it counts in
It is shown on its own, not counted into a figure.
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