**GAO-08-16**                      Published: Dec 14, 2007. Publicly Released: Dec 14, 2007.                  

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## Highlights

Fiscal year 2006 was the first year that the Department of Defense (DOD) reported improper payment information for its travel program under the Improper Payments Information Act of 2002 (IPIA). For fiscal year 2006, DOD reported obligations of approximately $8.5 billion for travel. Congress mandated that GAO assess the reasons why DOD is not fully in compliance with IPIA related to travel expenditures. In May 2007, GAO issued an initial report in response to this mandate. To further respond, GAO assessed (1) the completeness and accuracy of DOD's fiscal year 2006 IPIA travel disclosure in its performance and accountability report (PAR), and (2) DOD's planned efforts to improve and refine its processes for estimating and reporting on travel improper payments. To complete this work, GAO reviewed DOD's IPIA reporting, IPIA, Office of Management and Budget's (OMB) IPIA implementing guidance, and met with cognizant DOD officials.

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## Topics

National Defense

Cost analysisData integrityDefense appropriationsDefense cost controlErroneous paymentsPaymentsProgram evaluationReporting requirementsRisk assessmentTravelTravel allowancesTravel costsCost estimates