Form 8865 Category 4: Large Foreign Partnership Interests
Key Takeaways
- Category 4: triggered by acquisitions, dispositions, or proportional changes around 10% threshold
- Acquisition: crossing above 10% ownership
- Disposition: dropping below 10% ownership
- Proportional changes of 10%+ percentage points also trigger reporting
- Changes can occur without buying/selling — e.g., other partners entering or exiting
Form 8865 Category 4: Reportable Events
Category 4 is the strictest filing category — it is triggered by specific reportable events involving changes in your interest in a foreign partnership. These events center around the 10% ownership threshold: crossing it in either direction or experiencing significant changes in your proportional interest.
Three Types of Reportable Events
Acquisitions: you acquire a 10% or more direct interest when you previously held less than 10%. Dispositions: you reduce your direct interest below 10% when you previously held 10% or more. Proportional changes: your direct interest increases or decreases by more than 10 percentage points since your last reportable event, even without buying or selling.
For example, if you own 25% of a foreign partnership and another partner exits, causing your interest to increase to 40%, the 15-percentage-point change is a reportable event even though you did not acquire any additional interest.
IRS Form 8865 Instructions
Official IRS source on irs.gov
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