What Is Section 1446 Withholding for Foreign Members of a US LLC?

Section 1446 withholding is a U.S. tax withholding system that can apply when a partnership allocates effectively connected taxable income (ECTI) to foreign partners. For a U.S. multi-member LLC taxed as a partnership, this can become one of the most important tax obligations when the members live outside the United States.

The rule is easy to misunderstand because the LLC may have to withhold tax even when it does not distribute cash to its foreign members. The withholding is based on the foreign partners' allocable share of effectively connected taxable income, not simply on money actually paid to them.

For international founders, the practical question is therefore not just, “Are my LLC members foreign?” It is: Does the LLC have income effectively connected with a U.S. trade or business that is allocable to those foreign members?

What Is Section 1446 Withholding?

IRC Section 1446 generally requires a partnership to withhold U.S. tax on effectively connected taxable income allocable to foreign partners. The rule applies to both domestic and foreign partnerships. A U.S. LLC classified as a partnership can therefore fall within the rules when it has a U.S. trade or business and foreign members. The important terms are:

• Foreign partner: A partner that is treated as a foreign person for the applicable tax rules.
• U.S. trade or business: Business activity that subjects a foreign person to the U.S. federal tax rules applicable to conducting business in America.
• Effectively connected income (ECI): Income sufficiently connected with that U.S. trade or business.
• ECTI: Effectively connected taxable income used to determine the partnership's Section 1446 withholding obligation. This is different from ordinary withholding on certain U.S.-source passive income under Sections 1441 and 1442.

When Does Section 1446 Apply to a Foreign-Owned LLC?

A typical scenario looks like this: Two non-U.S. residents own a U.S. LLC taxed as a partnership. The LLC operates a consulting business from an office in the United States and generates $300,000 of effectively connected taxable income.

If each foreign member is allocated 50%, each has $150,000 of ECTI before considering the applicable withholding calculation. The partnership generally has to calculate and pay Section 1446 withholding on the foreign partners' allocable ECTI.

The fact that the LLC might leave the money in its U.S. bank account to finance expansion does not, by itself, eliminate the withholding obligation. The IRS specifically states that partnerships must make Section 1446 installment payments whether or not distributions are made during the tax year.

What Is the Section 1446 Withholding Rate in 2026?

For 2026, the IRS states that the general Section 1446 withholding rate is:

• 37% for non-corporate foreign partners
• 21% for corporate foreign partners

These rates apply to the relevant allocable ECTI, subject to the rules for determining the withholding amount and potential adjustments. A crucial point: the withholding rate is not necessarily the foreign partner's final U.S. tax rate or final tax liability. Section 1446 is a withholding mechanism. The foreign partner may later claim credit for qualifying withholding against their U.S. tax liability.

Does the LLC Withhold Tax When It Distributes Profits?

Not necessarily. This is one of the biggest misconceptions about Section 1446. For an ordinary partnership subject to Section 1446(a), the withholding calculation is generally based on the foreign partners' allocable ECTI. The partnership must make installment payments during the year regardless of whether it distributes the underlying profits.

Example

Imagine a foreign-owned LLC earns $200,000 of ECTI. The LLC keeps all $200,000 to hire employees and develop its product. A foreign partner may still have an allocable share of ECTI for Section 1446 purposes even though that partner received no cash distribution. This creates an important cash-flow consideration for startups: tax withholding can occur while profits remain inside the business.

How Does the LLC Pay Section 1446 Withholding?

Section 1446 creates several related filing and payment obligations.

Form 8813

The partnership generally uses Form 8813, Partnership Withholding Tax Payment Voucher, to make its Section 1446 withholding payments during the year. The IRS generally requires four installment payments during the partnership's tax year, with Form 8813 used for those payments.

Form 8804

The partnership reports its annual Section 1446 withholding liability on Form 8804, Annual Return for Partnership Withholding Tax.

Form 8805

The partnership generally prepares Form 8805, Foreign Partner's Information Statement of Section 1446 Withholding Tax, for each applicable foreign partner. The foreign partner can use the information on Form 8805 when determining the credit for qualifying partnership withholding on their U.S. tax return.

For a two-member LLC with two foreign individual owners, this can mean: Form 1065 → partnership income reporting. Schedule K-1 → each owner's share of partnership tax items. Form 8804 → partnership's Section 1446 withholding. Form 8805 → each applicable foreign partner's withholding information. Form 8813 → installment withholding payments

Can Section 1446 Withholding Be Reduced?

Potentially. The withholding calculation is not necessarily a simple percentage of the LLC's gross revenue. The IRS rules allow certain deductions and other adjustments to be considered in determining ECTI. In addition, a foreign partner may sometimes provide Form 8804-C, Certificate of Partner-Level Items to Reduce Section 1446 Withholding, to certify qualifying partner-level deductions or losses that may reduce the withholding amount.

The partnership is not automatically required to accept every Form 8804-C. If it chooses to consider the certificate, additional reporting requirements apply. Tax treaties can also affect the analysis in appropriate circumstances.

What If the LLC's Income Is Not Effectively Connected?

Section 1446(a) does not apply simply because a payment comes from a U.S. business or because the LLC has foreign members. The IRS specifically distinguishes Section 1446 withholding from withholding on FDAP income that is not effectively connected with a U.S. trade or business. Certain U.S.-source FDAP income can instead fall under the separate NRA withholding rules of Sections 1441–1443, often involving a 30% statutory rate unless a lower treaty or statutory rate applies.

That distinction matters for foreign founders. For example, a U.S. LLC earning income from services performed entirely outside the United States may require a different source-of-income and U.S. trade-or-business analysis than a company whose owners are physically operating the business from America. U.S. LLC + foreign owner does not automatically equal Section 1446 withholding.

Section 1446(a) vs. Section 1446(f)

These two rules are related but address different situations.

Section 1446(a)

This generally concerns ongoing partnership income allocated to foreign partners. The partnership withholds on relevant ECTI.

Section 1446(f)

This generally concerns a foreign person's disposition of a partnership interest. When applicable, the transferee generally must withhold 10% of the amount realized on the disposition, subject to exceptions. So if a foreign founder sells their interest in an LLC that is taxed as a partnership and the relevant requirements are satisfied, a separate Section 1446(f) analysis may be necessary.

What Happens if the LLC Fails to Withhold?

The partnership can be held responsible for Section 1446 withholding that it was required to pay. The IRS warns that failure to comply can result in penalties and interest. This is why foreign-owned partnerships should not wait until the annual Form 1065 is being prepared to discover whether Section 1446 applies. The withholding calculation and installment payments can occur during the tax year.

A Practical Section 1446 Checklist

Foreign-owned LLCs should review these questions before assuming no withholding is required:

1. Is the LLC taxed as a partnership?
2. Does the LLC conduct a U.S. trade or business?
3. Does it have effectively connected income?
4. Which partners are foreign?
5. How much ECTI is allocable to each foreign partner?
6. Are applicable deductions or partner-level items available?
7. Does a tax treaty affect the analysis?
8. Are Forms 8813 required during the year?
9. Will Forms 8804 and 8805 be required?
10. Could a future sale of a partnership interest trigger Section 1446(f)?

For international founders using platforms such as Foundeck, an AI-powered U.S. company formation and management platform for global founders, this is a useful example of why U.S. LLC compliance does not end when the formation documents are approved.

FAQ

Does every foreign-owned U.S. LLC have to pay Section 1446 withholding?

No. Section 1446(a) generally applies when a partnership has effectively connected taxable income allocable to foreign partners. Foreign ownership alone is not enough.

What is the Section 1446 withholding rate for foreign individuals in 2026?

The general rate is 37% for non-corporate foreign partners. Corporate foreign partners generally face a 21% rate.

Does Section 1446 withholding apply to distributions only?

Generally, no. For an ordinary partnership, the Section 1446(a) obligation is based on allocable ECTI, and installment payments are required whether or not distributions are made.

What forms does a partnership use for Section 1446?

The principal forms are Form 8813 for installment payments, Form 8804 for the annual withholding return, and Form 8805 for applicable foreign partners.

Can a foreign partner reduce Section 1446 withholding?

Potentially. Certain partner-level deductions and losses may be certified using Form 8804-C, and other rules can affect the calculation. The partnership must follow the applicable requirements before reducing withholding.

Is Section 1446 withholding the same as the foreign owner's final tax?

No. Withholding is generally a prepayment mechanism. The foreign partner's ultimate U.S. tax liability is determined under the applicable tax rules, and qualifying withholding may generally be claimed as a credit.

Does Section 1446 apply if the LLC's owners live outside the United States?

It can. The owners' foreign residence is relevant, but the central question is whether the partnership has ECTI allocable to foreign partners. The nature and location of the LLC's business activities matter.

What is the difference between Section 1446(a) and 1446(f)?

Section 1446(a) generally addresses withholding on a foreign partner's allocable share of partnership ECTI. Section 1446(f) generally addresses withholding when a foreign person disposes of a partnership interest.

Conclusion

Section 1446 withholding is a partnership-level obligation designed to collect U.S. tax on effectively connected taxable income allocated to foreign partners. For a foreign-owned U.S. LLC taxed as a partnership, the key issue is not simply whether the members are foreign. The real analysis is whether the LLC has ECTI connected with a U.S. trade or business, how that income is allocated, and what withholding and reporting rules apply.

In 2026, the general Section 1446 rate is 37% for non-corporate foreign partners and 21% for corporate foreign partners, with specific rules that can affect the calculation. The LLC may also need to make payments during the year and file Forms 8804 and 8805.

The most important practical lesson for international founders is simple: do not wait for year-end distributions or Form 1065 preparation to think about Section 1446. If a foreign-owned LLC is operating a U.S. trade or business, its withholding obligations can arise during the year—even when the profits remain inside the company.