Hobby Loss Rules (Section 183)

Hobby loss rules prevent deducting hobby losses against other income, with the safe harbor presumption of profit in 3 of 5 years (2 of 7 for horses).

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Exam Tip

Safe harbor: profit 3 of 5 years (2 of 7 for horses). Nine factors test. TCJA eliminated hobby expense deductions (2018-2025).

What are Hobby Loss Rules?

If not engaged in for profit, losses cannot offset other income.

Safe Harbor

  • General: Profit 3 of 5 years
  • Horses: Profit 2 of 7 years

Nine-Factor Test

IRS evaluates profit motive using factors like businesslike operation, expertise, time spent.

Current Treatment (TCJA through 2025)

Hobby expenses NOT deductible at all. Hobby income still taxable.

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