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2025›Instructions for Form 8810›General Instructions

Former Passive Activities

Instruction 8810 — Instructions for Form 8810, Corporate Passive Activity Loss and Credit Limitations · 2026-10-03 edition · updated 2026-10-04 · United States

A former passive activity is any activity that was a passive activity in a prior tax year but is not a passive activity in the current tax year. A prior year unallowed loss from a former passive activity is allowed to the extent of current year income from the activity. The following apply.

  • If the current year net income from the activity is less than the prior year unallowed loss, enter the prior year unallowed loss and any current year net income from the activity on Form 8810 and the applicable worksheets.

  • If the current year net income from the activity is more than or equal to the prior year unallowed loss from the activity, report the income and loss on the forms and schedules normally used; do not enter the amounts on Form 8810.

For rules about prior year unallowed credits from former passive activities, see section 469(f). To report a disposition of a former passive activity, follow the rules under Dispositions next.

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▸Contents — Instruction 8810 — Instructions for Form 8810, Corporate Passive Activity Loss and Credit Limitations

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