Annual reports You are here Home Reports and Publications Annual reports Download The Office of the Special Investigator (OSI) 2023–24 Annual Report [PDF] The Office of the Special Investigator (OSI) 2022–23 Annual Report [PDF] The Office of the Special Investigator (OSI) 2021–22 Annual Report [PDF] The Office of the Special Investigator (OSI) 2020–21 Annual Report [PDF] Download our annual reports above.Preparing an annual report is a legislative requirement under section 46(1) of the Public Governance, Performance and Accountability Act 2013 (PGPA Act). In this section Publications Accountability publications Annual reports Corporate plans Senate Order for the production of indexed lists of files Senate order on entity contracts APS Census Results