2006 Annual Report to Congress Volume I, Section OnePDF - Preface, Table of Contents, and The Most Serious Problems Encountered By Taxpayers, and Status Update on the Questionable Refund Program. Volume I, Section TwoPDF - Key Legislative Recommendations and Additional Legislative Recommendations. Volume I, Section ThreePDF - The Most Litigated Issues. Volume I, Section FourPDF - Case & Systemic Advocacy. Volume I, Section FivePDF - Appendices. Volume IIPDF - Study of Taxpayer Needs, Preferences, and Willingness to Use IRS Services and Downstream Impact Project: Identifying Drivers of TAS Workload. Executive SummaryPDF IRS News Release ARC 2006 REPORT CARDPDF Prior Annual Reports and Objectives Reports