Identify the suspended-loss category first

A family transferring an operating-business interest may see unused losses on the founder’s tax schedules and assume they move to the successor as future deductions. Before completing the succession forecast, identify why each loss was disallowed. A passive activity loss has different transfer rules from a loss suspended for lack of stock basis, partnership basis, or an amount at risk.

IRS Publication 925 describes specific treatment when a passive activity interest is given away or transferred because its owner dies. Those rules differ from the treatment of a qualifying taxable disposition. A transfer with no cash proceeds can therefore change the loss schedule without generating the current deduction assumed in the family’s model.

Obtain the activity-level passive-loss rollforward, prior returns, grouping disclosures, ownership history, basis schedules, and other limitation worksheets. Confirm that the amount being analyzed is actually an unused passive activity loss allocable to the interest transferred. A single spreadsheet labeled suspended losses should not merge several statutory categories into one number.

A gift changes the basis analysis rather than releasing a deduction

Publication 925 explains that unused passive losses allocable to a gifted passive activity interest cannot be deducted in any tax year; instead, the transferred interest’s basis is increased by those losses. The practical planning task is to carry the required adjustment into the transfer and successor records, rather than show a current donor deduction or hand over the old loss schedule as an immediately usable deduction.

Consider a hypothetical transferred interest with $140,000 of relevant basis and $60,000 of allocable unused passive losses. Assuming the published rule applies and no other adjustment changes the example, the basis before applying other gift-basis considerations becomes $200,000. The donor does not simply deduct the $60,000 because the interest has left the donor’s ownership.

The recipient’s eventual gain or loss requires the complete gift-basis rules, value information, subsequent adjustments, and transaction facts. This simplified arithmetic does not establish a universal $200,000 basis for every later purpose. Give the recipient’s preparer the calculation and underlying records so the passive-loss adjustment is coordinated with those other rules rather than counted twice.

At death compare unused losses with the basis increase

For an interest transferred because the owner dies, Publication 925 permits a final-year deduction only to the extent the unused passive losses exceed the transferee’s basis increase under the inherited-property rules. The calculation therefore requires both the decedent’s loss records and the supported basis result at death. Neither the loss total nor the appraised value alone answers the question.

Assume a hypothetical interest has $90,000 of unused passive losses and the relevant transferee basis increase is $65,000. Under the simplified stated facts, the remaining final-year deduction is $25,000. If the basis increase instead were $110,000, the unused losses would not produce a positive deduction under this comparison. Do not turn the negative arithmetic difference into an additional tax deduction.

These examples do not calculate the inherited basis or establish that the activity was passive. Entity interests, inside and outside basis, valuation, and other adjustments may require separate work. The executor should coordinate the final individual return with the basis analysis so a later change to the supported inheritance value does not leave an inconsistent loss calculation behind.

Deliver separate donor, estate, and successor schedules

Prepare a transfer-date package identifying the interest, activity, grouping, unused passive losses, transfer method, relevant basis, and required adjustment. Keep other suspended-loss categories separate and obtain their own conclusions. If only part of an interest transfers, identify the allocable amount using supported records rather than assuming every unused loss follows the small transferred portion.

For a gift, reconcile the donor’s closing loss schedule with the successor’s opening basis file. For a death transfer, reconcile the final-year deduction and the transferee’s basis increase with the executor’s records. Preserve the valuation, prior returns, ownership documents, and calculation so future preparers can determine what was used, adjusted, or unavailable.

This guide does not determine material participation, approve a gift strategy, or establish the treatment of every suspended loss. Its practical succession decision is to examine passive losses before the ownership transfer and model the specific result for that transfer method. Doing so prevents the family from treating an unused deduction as freely transferable cash savings and gives the successor a reliable starting record for a later business sale.

Sources & further reading

Consult the original guidance and its effective dates. These references support the educational discussion; their application depends on the specific facts.

This guide was prepared with AI assistance for AE Tax Advisors. No individual professional review is claimed. Examples are illustrative, not client results. Confirm current law, state treatment, and implementation with a qualified professional. Editorial standards.