
Trust Fund Recovery Penalty (IRC 6672): Personal Liability for Unpaid Payroll Taxes
How the IRS uses Internal Revenue Code Section 6672 to hold business owners, officers, bookkeepers, and even spouses personally liable for 100% of unpaid payroll withholdings — covering who qualifies as a responsible person, how willfulness is established, and how to defend a Letter 1153 within the 60-day appeal window.










