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The Inspector General Act of 1978 (Public Law 95-452), as amended, requires that the Inspector General report semiannually to the Congress on the activities of the OIG during the 6-month periods ending March 31 and September 30. These reports highlight the audits and related reports issued during the time frame, as well as provide information on OIG investigations and other activities, such as Congressional testimony. Each Semiannual Report also includes summary tables containing statistical data as required by the Inspector General Act of 1978, as amended, and the National Defense Authorization Act for FY 2008.
Below you will find links to our Semiannual Reports to Congress issued since 2008. If you have any questions pertaining to the information included in these reports, or if you would like a copy of a Semiannual Report issued before 2008 (report numbers 1-55), please contact the OIG Public Affairs Office.
Report Number |
Semiannual Reporting Period | Link to Report |
86 | October 1, 2022, through March 31, 2023 | PDF (3.21MB) |
85 | April 1, 2022, through September 30, 2022 | PDF (3.21MB) |
84 | October 1, 2021, through March 31, 2022 | PDF (9.0MB) |
83 | April 1, 2021, through September 30, 2021 | PDF (3.7MB) |
82 | October 1, 2020, through March 31, 2021 | PDF (3.39M) |
81 | April 1, 2020, through September 30, 2020 | PDF (3.55M) Transmittal Letters from the Department (PDF, 575K) |
80 | October 1, 2019, through March 31, 2020 | PDF (8.3M) |
79 | April 1, 2019, through September 30, 2019 | PDF (11.5M) |
78 | October 1, 2018, through March 31, 2019 | PDF (5.65M) |
77 | April 1, 2018, through September 30, 2018 | PDF (10.7M) |
76 | October 1, 2017, through March 31, 2018 | PDF (4.42M) |
75 | April 1, 2017, through September 30, 2017 | PDF (5.40M) |
74 | October 1, 2016, through March 31, 2017 | PDF (4.80M) |
73 | April 1, 2016, through September 30, 2016 | PDF (4.86M) |
72 | October 1, 2015, through March 31, 2016 | PDF (8.45M) |
71 | April 1, 2015, through September 30, 2015 | PDF (4.82M) |
70 | October1, 2014, through March 31, 2015 | PDF (3.50M) |
69 | April 1, 2014, through September 30, 2014 | PDF (2.63M) |
68 | October 1, 2013, through March 31, 2014 | PDF (4.02M) |
67 | April 1, 2013, through September 30, 2013 | PDF (2.78M) |
66 | October 1, 2012, through March 31, 2013 | PDF (2.23M) |
65 | April 1, 2012, through September 30, 2012 | PDF (6.47M) PDF (1.06M) accessible |
64 | October 1, 2011, through March 31, 2012 | PDF (3.01M) |
63 | April 1, 2011, through September 30, 2011 | PDF (1.68M) |
62 | October 1, 2010, through March 31, 2011 | PDF (806K) |
61 | April 1, 2010, through September 30, 2010 | PDF (1.19M) |
60 | October 1, 2009, through March 31, 2010 | PDF (890K) |
59 | April 1, 2009, through September 30, 2009 | PDF (2.94M) |
58 | October 1, 2008, through March 31, 2009 | PDF (1.71M) |
57 | April 1, 2008, through September 30, 2008 | PDF (3.03M) |
56 | October 1, 2007, through March 31, 2008 | PDF (2.28M) |