This section of the Data Book provides an overview of the IRS Chief Counsel’s workload and activities. The IRS Chief Counsel is appointed by the President of the United States, with the advice and consent of the U.S. Senate, and serves as the chief legal advisor to the IRS Commissioner on all matters pertaining to the interpretation, administration, and enforcement of the Internal Revenue Code, as well as all other legal matters. Under the IRS Restructuring and Reform Act of 1998, the Chief Counsel reports to both the IRS Commissioner and the Treasury General Counsel. Attorneys in the Chief Counsel’s Office serve as lawyers for the IRS. They provide the IRS and taxpayers with guidance on interpreting Federal tax laws correctly, represent the IRS in litigation, and provide all other legal support required to carry out the IRS mission. View chart detailsXLSX. For additional graphs from this section, download the PDF of this year’s Data BookPDF. Highlights of the Data In Fiscal Year (FY) 2021, Chief Counsel received 60,869 cases and closed 50,665 cases, including some received in prior years (Table 28XLSX). Approximately 59.4 percent of closed cases were from the Small Business/Self-Employed Division (Table 28XLSX). In Fiscal Year 2021, Chief Counsel received 28,387 Tax Court cases involving a taxpayer contesting an IRS determination that he or she owed additional tax. During the fiscal year, Chief Counsel closed 18,199 cases involving almost $4.3 billion in disputed taxes and penalties (Table 29XLSX). Index of Data Book Tables Chief Counsel: Tables 28 & 29 Table 28: Chief Counsel Workload: All Cases, by Office and Type of Case, Fiscal Year 2021XLSXTable 29: Chief Counsel Workload: Tax Litigation Cases, by Type of Case, Fiscal Year 2021XLSX Data for all years Table 28 Table 29 Additional applications may be needed to access linked content on this page. Get free Adobe Acrobat® reader or Excel® viewer. Return to the IRS Data Book home page Back to Top