A 2007 US Government Accountability Office (GAO) audit revealed that internal control weaknesses throughout government agencies had led to $146 million abusive premium-class air travel. Information that could have picked up the abuse was readily available to agency management from the databases of the four banks in the federal government's travel card programme. Agencies should have mined the data and used statistical sampling, to review specific transactions. Agencies would then have known whet...
BPIR Categories10.2.4 Use analytical techniques on data
11.4.1 Design/conduct internal/external audits
11.2.6 Manage travel & entertainment expenses