Form 1042 withholding. Tax on payments to non-US persons.
Form 1042 covers US tax withholding on payments to non-US persons. Default rate is 30%. Tax treaties may reduce. Foreign-owner LLCs and any business paying non-US persons or entities must understand this.
Start here.
Annual return of tax withheld from payments to non-US persons.
Individual statement of withheld income (like 1099 but for non-US recipients).
30% on US-source income paid to non-US persons.
Tax treaties may reduce to 0-15% depending on income type and country.
Non-US recipient submits to claim treaty benefit and verify foreign status.
The full picture.
What Form 1042 covers
Form 1042 (Annual Withholding Tax Return) reports US tax withheld from payments to non-US persons. Plus Form 1042-S (individual recipient statements). Used when paying non-US individuals or entities US-source income.
Default withholding rate
30% on US-source income paid to non-US persons. Includes interest, dividends, rents, royalties, certain services. Withheld at source by the US payer; reported to IRS via Form 1042 + 1042-S.
Tax treaty reductions
The US has bilateral tax treaties with many countries that reduce or eliminate withholding on specific income types. Treaty rates vary by country and income type (dividends 5-15%, interest 0-15%, royalties 0-10% common).
Form W-8BEN (individuals)
Non-US individuals submit W-8BEN to certify foreign status and claim treaty benefits. Must include: name, country, tax ID (ITIN or foreign tax ID), date of birth, foreign address, treaty article and rate claimed.
Form W-8BEN-E (entities)
Non-US entities submit W-8BEN-E for the same purpose. Includes additional certification for chapter 4 (FATCA) status.
Foreign-owner US LLC implications
When a US LLC has foreign owners, the LLC may need to withhold on certain distributions or income flowing through to the foreign owner. Plus annual Form 5472 + 1120 (pro forma) filing.
When LLC must withhold
(1) Distributions to foreign partners with effectively connected income; (2) US-source income flowing through to foreign owners under certain circumstances; (3) Specific FDAP (fixed, determinable, annual or periodical) income.
Penalties for failure
Withholding agent (the US payer) is liable for unwithheld tax plus penalties. Civil penalties typically 100% of unwithheld amount. Plus interest.
Filing
Form 1042 due March 15 of year following payment. Form 1042-S to recipients March 15. Electronic filing required for filers with 10+ forms.
Common questions.
When does 30% withholding apply?
Can the rate be reduced?
How does the recipient claim treaty benefit?
Who files Form 1042?
When is Form 1042 due?
Do I need to withhold on my LLC distributions?
What is FDAP income?
What is ECI?
Penalties for failure to withhold?
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This guide is educational. International tax and compliance require specialty CPA and attorney advice.
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