A recent Tax Court case shows how the IRS may disallow business deductions when personal expenses, family costs, travel, meals, reimbursements, and shareholder advances are run through a company without proper records or a clear business purpose. For business owners, the lesson is direct: keep clean records, separate personal and business spending, and document why each expense belongs to the business.

Learn which deductions are not allowed, why IRS matching catches missing income, and how to lower taxes legally with proven strategies.