Form 8865: Who Needs to File, Due Date, and Instructions

Form 8865 Overview

Form 8865 is an informational return titled Return of U.S. Persons With Respect to Certain Foreign Partnerships. The IRS uses it to track U.S. persons who control foreign partnerships, transfer property to them, or acquire, dispose of, or change their ownership percentages under Internal Revenue Code sections 6038, 6038B, and 6046A.

A foreign partnership is any partnership not created or organized in the United States or under the laws of the United States, any state, or the District of Columbia. A partnership includes a limited partnership, syndicate, group, pool, joint venture, or other unincorporated organization carrying on a business or venture that is not classified as a corporation, trust, estate, or sole proprietorship. Mere co-ownership of rented property or a joint undertaking solely to share expenses does not count as a partnership unless the co-owners provide services to tenants.

One domestic exception applies. If a domestic section 721(c) partnership is formed on or after January 18, 2017, and applies the gain deferral method to contributed built-in gain property, the IRS treats it as a foreign partnership for Form 8865 purposes, and the U.S. transferor must file Form 8865. You must complete a separate Form 8865 and its applicable schedules for each foreign partnership you report.

• IRS: Instructions for Form 8865 (2025)
• IRS: About Form 8865, Return of U.S. Persons With Respect to Certain Foreign Partnerships

The 4 Filer Categories for Form 8865

Any U.S. person who meets the rules of one or more of the four filer categories must file Form 8865. Under section 7701(a)(30), a U.S. person is a U.S. citizen or resident, a domestic partnership, a domestic corporation, or any estate or trust that is not foreign. Trusts relating to state and local government employee retirement plans are exempt from filing Form 8865. If you qualify under more than one category for the same foreign partnership during a tax year, check all applicable boxes in Item A on page 1 and submit the combined schedules required for every category that applies.

Ownership thresholds for Categories 1, 2, and 3 include both direct and constructive ownership under section 267(c) (excluding section 267(c)(3)). An interest owned by a corporation, partnership, estate, or trust is considered owned proportionately by its shareholders, partners, or beneficiaries. An individual is also treated as owning partnership interests held directly or indirectly by their family (spouse, siblings, ancestors, and lineal descendants). Family attribution from a nonresident alien individual applies only if the U.S. person already owns a direct or indirect interest in the foreign partnership under section 267(c)(1) or (5).

• Category 1 Filer: A U.S. person who controlled the foreign partnership at any time during the partnership's tax year by owning more than a 50% interest in capital, profits, or deductions or losses. Category 1 also includes a U.S. transferor (any U.S. person other than a domestic partnership) required to report information for a section 721(c) partnership for the contribution year and subsequent years.
• Category 2 Filer: A U.S. person who at any time during the foreign partnership's tax year owned a 10% or greater interest in capital, profits, or deductions or losses while the partnership was controlled (more than 50%) by U.S. persons each owning at least a 10% interest. If the foreign partnership had a Category 1 filer at any time during that tax year, no one is considered a Category 2 filer.
• Category 3 Filer: A U.S. person who contributed property to a foreign partnership in exchange for a partnership interest (a section 721 transfer) during the filer's tax year and either owned directly or constructively at least a 10% interest immediately after the contribution, or contributed property whose value (combined with any other property contributed by the person or a related person during the 12-month period ending on the transfer date) exceeds $100,000. Category 3 also covers a U.S. transferor contributing section 721(c) property to a section 721(c) partnership, or a U.S. person who previously reported a transfer of appreciated property under section 6038B if the partnership disposes of that property while the U.S. person remains a direct or indirect partner.
• Category 4 Filer: A U.S. person who had a reportable event under section 6046A during the filer's tax year. Reportable events cover three changes in direct interest: an acquisition going from less than a 10% direct interest to 10% or greater, or increasing direct interest by at least a 10% interest compared to the last reportable event. A disposition going from a 10% or greater direct interest to less than 10%, or decreasing direct interest by at least a 10% interest compared to the last reportable event. Or a change in direct proportional interest (such as when another partner withdraws or a partnership agreement shifts profit shares) of at least the equivalent of a 10% interest compared to the last reportable event. If you owned at least a 10% direct interest on December 31, 1999, and have not had a reportable event since, compare your current direct interest to your interest on December 31, 1999.

• IRS: Instructions for Form 8865 (2025)
• IRS: About Form 8865, Return of U.S. Persons With Respect to Certain Foreign Partnerships

Worked Example: How Constructive Ownership and Schedule K-1 Work Together

Constructive ownership rules determine whether you cross the 50% or 10% filing thresholds, while direct ownership determines what you put on Schedule K-1. Here is a worked example modeled on the IRS instructions showing how a U.S. partner handles both rules.

Suppose Partner A, a U.S. citizen, owns a 45% direct interest in a foreign partnership (FPS). Partner A also owns 100% of the stock of a domestic corporation (DC), and DC owns a 10% direct interest in FPS. Under section 267(c), DC's 10% interest is attributed proportionately (100%) to Partner A. Partner A combines the 45% direct interest and 10% constructive interest for a total of 55%, making Partner A a Category 1 filer. Because FPS has a Category 1 filer during the tax year, DC is not a Category 2 filer despite holding a 10% direct interest.

When Partner A prepares Schedule K-1 (Form 8865), reporting splits back to direct ownership. Category 1 filers must complete a Schedule K-1 for their own direct interest and a separate Schedule K-1 for each U.S. person who directly owns a 10% or greater interest. On Partner A's own Schedule K-1, the beginning and year-end percentage lines include the constructively owned interest (55%), while boxes 1 through 21 report only the distributive share allocated to Partner A's 45% direct interest. Partner A then prepares a second Schedule K-1 for DC reporting only the items allocated to DC's 10% direct interest.

• IRS: Instructions for Form 8865 (2025)
• IRS: Form 8865 Return of U.S. Persons With Respect to

Form 8865 Due Date and Where to File

Form 8865 does not have a standalone calendar deadline. You attach Form 8865 to your U.S. income tax return (or, if applicable, your domestic partnership or exempt organization return) and file both together by the due date for that return, including any extensions. If you are not required to file a U.S. income tax return for the year, you must file Form 8865 separately with the IRS at the same time and place you would be required to file an income tax, partnership, or exempt organization return.

In the header space below the title of Form 8865, enter the tax year of the foreign partnership that ended with or within your tax year. Category 1 and 2 filers report partnership financials and schedules for that partnership tax year ending with or within their own tax year. Category 3 and 4 filers use Schedule O or Schedule P to report contributions, acquisitions, dispositions, or proportional changes that occurred during the filer's own tax year, rather than the partnership's fiscal year.

• IRS: Instructions for Form 8865 (2025)
• IRS: Form 8865 Return of U.S. Persons With Respect to

Required Schedules and Financial Records by Filer Category

Every filer category must complete the identifying information on pages 1 and 2 of Form 8865, plus Schedule A and Schedule A-3. Three exceptions apply to pages 1 and 2. Item E is completed only when reporting excepted specified foreign financial assets on Form 8938 or consolidated and multiple filers. Item H8 is for Category 1 and 2 filers, and Items H10 and H11 are for Category 1 filers. By our calculation from the 2025 IRS Filing Requirements for Categories of Filers chart, a Category 1 filer is responsible for up to 16 schedules and page 1 items, whereas a Category 2 filer is responsible for up to 8, a Category 3 filer for up to 7, and a Category 4 filer for up to 6.

Category 1 filers must report the foreign partnership's income statement (Schedule B), partner distributive shares (Schedules K, K-1, K-2, and K-3), U.S. GAAP balance sheets translated into U.S. dollars (Schedule L), book-to-tax income reconciliation (Schedule M-1), and capital account analysis (Schedule M-2). However, under the Item H11 exemption on page 2, if the partnership's total receipts for the tax year were less than $250,000 and total assets at the end of the tax year were less than $1 million, a Category 1 filer checks Yes on Item H11 and does not complete Schedules L, M-1, and M-2.

You must identify the name and address of the person or persons with custody of the foreign partnership's books and records (and their location, if different) in Item H4 on page 1, and retain all related books and records as long as their contents may become material in the administration of any Internal Revenue law. If the foreign partnership is the tax owner of a foreign disregarded entity or operates a foreign branch, Category 1 and 2 filers must also attach Form 8858 to Form 8865, enter the number of attached Forms 8858 in Item H8a, and include converted GAAP-to-tax figures from Form 8858 Schedules C, F, J, and M in Form 8865 Schedules B, L, K-2 (Part III, Section 4), and N.

• IRS: Instructions for Form 8865 (2025)
• IRS: Form 8865 Return of U.S. Persons With Respect to

Checklist: 6 Formatting Rules and Common Errors to Avoid

Our team built this pre-filing checklist from the 2025 IRS Specific Instructions so you can verify your Form 8865 before submitting.

• State all text in English and all amounts in U.S. dollars: Every schedule, property description, and attachment must be in English, and every financial figure must be in U.S. dollars. Schedule L balance sheets must be prepared and translated into U.S. dollars in accordance with U.S. GAAP (unless using the dollar approximate separate transactions method under hyperinflationary rules).
• Report the exchange rate using the divide-by convention in Item G8b: Enter the units of foreign functional currency that equal one U.S. dollar (the amount by which you divide functional currency to get U.S. dollars), rounded to at least four decimal places. Do not report U.S. dollars per unit of foreign currency.
• Never enter FOREIGNUS or APPLIED FOR in the EIN or Reference ID fields: Enter the partnership's U.S. EIN in Item G2(a). If it has no EIN, leave G2(a) blank and enter a self-assigned Reference ID number in Item G2(b) that is alphanumeric, has no spaces or special characters, is at most 50 characters, and stays identical from year to year.
• Do not sign Form 8865 when attaching it to your tax return: Neither the filer nor the paid preparer should sign page 2 or complete the paid preparer block when Form 8865 is attached to an income tax, partnership, or exempt organization return. Sign only if filing Form 8865 separately.
• Enter maximum loan balances on Schedule N, Lines 20 and 21: Report the largest outstanding gross loan balances borrowed or lent at any point during the tax year, not year-end, average, net, or aggregate cash flow figures.
• Mark Corrected at the top if amending: To fix an incomplete or inaccurate Form 8865, file a corrected Form 8865 attached to an amended tax return, write Corrected at the top, and attach a statement explaining the changes.

• IRS: Instructions for Form 8865 (2025)
• IRS: Form 8865 Return of U.S. Persons With Respect to

Penalties for Failing to File or Complete Form 8865

Missing a Form 8865 deadline or omitting required schedules triggers statutory penalties, foreign tax credit reductions, and forced gain recognition unless you establish reasonable cause.

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• Category 1 and Category 2 Penalties (Section 6038): A $10,000 penalty applies per foreign partnership per tax year for late or incomplete filing, plus $10,000 for each 30-day period (or fraction thereof) continuing more than 90 days after an IRS notice, up to $50,000 in additional penalties. Foreign taxes available for credit under sections 901 and 960 are also reduced by 10%, plus an extra 5% for each 3-month period (or fraction thereof) continuing past the 90-day notice period.
• Category 3 Penalties (Section 6038B): Failing to properly report a property contribution results in a penalty equal to 10% of the property's fair market value at the time of transfer (capped at $100,000 unless due to intentional disregard), and the U.S. transferor must recognize gain as if the property were sold for fair market value.
• Category 4 Penalties (Section 6046A): Failing to report a required acquisition, disposition, or proportional change carries a $10,000 initial penalty, plus $10,000 per 30-day period (or fraction thereof) continuing more than 90 days after an IRS notice, up to $50,000 in additional penalties.
• Additional Civil and Criminal Penalties: Tax underpayments from an undisclosed foreign financial asset are subject to section 6662(j) accuracy-related penalties. Failing to file Form 8833 for a treaty-based return position carries a $1,000 penalty ($10,000 for a C corporation) under section 6712. Failing to follow section 721(c) gain deferral rules on Schedules G and H can trigger an immediate acceleration event and section 6038B penalties, and willful failures or false filings can draw criminal penalties under sections 7203, 7206, and 7207.

• IRS: Instructions for Form 8865 (2025)
• IRS: About Form 8865, Return of U.S. Persons With Respect to Certain Foreign Partnerships