Department of Defense
DIRECTIVE
NUMBER 5106.01
April 20, 2012
Incorporating Change 1, Effective August 19, 2014
DA&MDCMO
SUBJECT: Inspector General of the Department of Defense (IG DoD)
References: See Enclosure 1
1. PURPOSE. This Directive reissues DoD Directive (DoDD) 5106.01 (Reference (a)) to
update the mission, organization and management, responsibilities and functions, relationships,
and authorities of the IG DoD, in accordance with sections 113 and 141 of title 10, United States
Code (U.S.C.) (Reference (b)) and the Inspector General Act of 1978, as amended, title 5, U.S.C.
Appendix (Reference (c)).
2. APPLICABILITY. This Directive applies to OSD, the Military Departments, the Office of
the Chairman of the Joint Chiefs of Staff and the Joint Staff, the Combatant Commands, the
Office of the IG DoD (OIG DoD), the Defense Agencies, the DoD Field Activities, and all other
organizational entities in the DoD (hereinafter referred to collectively as the “DoD
Components”).
3. MISSION. The OIG DoD was established by Congress in section 1117 of Public Law (PL)
97-252, “Department of Defense Authorization Act, 1983,” which is codified at Reference (c), as
an independent and objective unit within DoD to conduct and supervise audits, investigations,
evaluations, and inspections relating to the programs and operations of the DoD. In support of
the mission of the DoD, the IG DoD performs the duties, has the responsibilities, and exercises
the powers specified in Reference (c).
4. ORGANIZATION AND MANAGEMENT. The OIG DoD is an independent and objective
organizational component of the DoD. The OIG DoD shall consist of:
a. The IG DoD, a civilian appointed by the President, with the advice and consent of the
Senate, who shall serve as head of the OIG DoD.
