The Secretary of the Treasury must conduct a study and report to Congress each fiscal year on the use of section 7623. Covered are whistleblower program activities for each fiscal year ending September 30. Whistleblower Office FY 2023 Annual Report PDF Whistleblower Office FY 2022 Annual Report PDF Whistleblower Office FY 2021 Annual Report PDF Whistleblower Office FY 2020 Annual Report PDF Whistleblower Office FY 2019 Annual Report PDF Whistleblower Office FY 2018 Annual Report PDF Whistleblower Office FY 2017 Annual Report PDF Whistleblower Office FY 2016 Annual Report PDF Whistleblower Office FY 2015 Annual Report PDF Whistleblower Office FY 2014 Annual Report PDF Whistleblower Office FY 2013 Annual Report PDF Whistleblower Office FY 2012 Annual Report PDF Whistleblower Office FY 2011 Annual Report PDF Whistleblower Office FY 2010 Annual Report PDF Whistleblower Office FY 2009 Annual Report PDF Whistleblower Office FY 2008 Annual Report PDF Whistleblower Office First Report to Congress PDF: This first report discussed the progress the IRS Whistleblower Office has made in the first 12 months of its existence, through January 2008. Whistleblower Office