One tax gap closing approach is to put more money into enforcement and to ramp up the currently low audit level.

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To get at the real picture, CEOs need to cut through several layers of management, talk to mid-level managers, and audit their companies' safety procedures.

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Official audit bodies, at both federal and state level, check on how money devolved to local councils is spent.

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In a recent survey of 4, 500 high-level IT professionals in 83 countries, ISACA (the Information Systems Audit and Control Association) discovered that organizations fear the risks of using public cloud services.

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Not only that, in the United States we hire independent third-party security companies, such as EWA, to audit our products in order to certify the safety and reliability of the products at the source code level.

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The National Audit Office (NAO) estimated that the ratio of local government debt to aggregate income was 84 percent, a level that appears to be manageable, Barclays analysts say.

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