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Material Participation: Meeting the Seven Tests (§ 469)

January 24, 2026 · 6 min read
Taxpayer Tax Pro

The passive activity loss rules of § 469 turn on material participation. Losses from an activity in which the taxpayer does not materially participate are passive, deductible only against passive income, with the excess suspended and carried forward. Material participation converts the activity to non-passive, deductible against all income (subject to basis and at-risk limits).

The substantiation rule. Any one of the seven tests works, but the courts decide on the file. Contemporaneous logs win; reconstructed "ballpark estimates" lose. Spouse hours count toward material participation; pure investor activities do not.

The seven tests

Treas. Reg. § 1.469-5T provides seven tests; satisfying any one establishes material participation for the year:

  1. 500 hours. Participation exceeds 500 hours during the year.
  2. Substantially all. The taxpayer's participation is substantially all of all individuals' participation.
  3. 100 hours / not less than anyone. More than 100 hours and no other individual participates more.
  4. Significant participation activities. The activity is an SPA (>100 hours) and aggregate SPA participation exceeds 500 hours.
  5. Prior-year (5 of 10). Material participation in any five of the preceding ten years.
  6. Personal service activity (3 years). A personal service activity with material participation in any three preceding years.
  7. Facts and circumstances. Regular, continuous, and substantial participation.

Proving participation

Participation may be established by "any reasonable means," but the courts routinely reject the after-the-fact "ballpark guesstimate." Contemporaneous logs, calendars, and time records are the gold standard; in Gregg v. United States and a line of Tax Court decisions, record quality decided the outcome.

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