Publication 535 discusses common business expenses and explains what is and is not deductible. This publication discusses common business expenses and explains what is and is not deductible. The chapters cover general rules for deducting business expenses and specific expenses.
Information about Publication 536, Net Operating Losses (NOLs) for Individuals, Estates, and Trusts, including recent updates and related forms. Publication 536 explains how to figure a net operating loss (when deductions exceed income) for individuals, estates and trusts.