This document discusses potential tax deductions that taxpayers may incorrectly think are allowed but are not. It provides 8 examples of non-deductible expenses, such as pledges to charities, political contributions, volunteer work, home improvements for non-business purposes, most closing costs for home purchases, broker's fees for IRAs or investments, and additional miscellaneous expenses outlined on their website. The document encourages readers to verify deductions with their accountant and refers them to the accounting firm's website and social media pages for more information on non-deductible expenses.