2007 Annual Report to Congress Volume I, Section One PDF - Preface, Table of Contents, and The Most Serious Problems Encountered By Taxpayers. Volume I, Section Two PDF - Key Legislative Recommendations and Additional Legislative Recommendations. Volume I, Section Three PDF - The Most Litigated Issues. Volume I, Section Four PDF - Case & Systemic Advocacy. Volume I, Section Five PDF - Appendices. Volume II PDF - Taxpayer Advocate Service Research Studies and Reports. 2007 ARC Executive SummaryPDF 2007 ARC News Release ARC 2007 REPORT CARDPDF Prior Annual Reports and Objectives Reports