A letter report issued by the Government Accountability Office with an abstract that begins "The Department of Defense's (DOD) September 2012 policy on conferences and its November 2013 update are generally consistent with the requirements established by the Office of Management and Budget (OMB) in May 2012. The key elements of OMB's May 2012 requirements for agencies are the prohibition of conferences with costs in excess of $500,000 unless the agency head signs a waiver, establishment of a Deputy Secretary-level review process for conferences with estimated costs in excess of $100,000, and public reporting annually on the costs of these conferences. DOD adopted a tiered approval structure for the senior-level approval of waivers and all conference-related costs. DOD's policy, which cites the department's size and complexity, places the approval authority for conference waivers and for conferences costing less than $500,000 at lower levels than called for by OMB. For example, OMB requires that waivers approving conferences with costs in excess of $500,000 be signed by the head of an agency, while DOD's policy delegates this authority to 23 senior leaders throughout the department. DOD's policy is more expansive as it requires senior-level review and pre-approval of all conference-related costs, compared …