Tax Court Denies More Than $456,000 in Horse Business Losses: What Schumacher v. Commissioner Means for Hobby Loss Deductions

The Tax Court denied more than $456,000 in horse business losses after finding that weak financial records, commingled funds, no credible profit plan, and eighteen years of losses outweighed the taxpayers’ expertise and substantial effort. Schumacher v. Commissioner shows what business owners must document to protect deductions under Section 183.