The amount of taxes owed to the U.S. government from cross-border transactions by U.S. and foreign citizens and businesses is murky, according to a new report, but could be as high as $123 billion.
The Treasury Inspector General for Tax Administration said in a
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The IRS has no plans to comprehensively measure the international tax gap due to cost, staffing and technical limitations that make direct measurement unfeasible, TIGTA noted in its report. Thus, there is less certainty that international tax compliance resources are efficiently allocated to address noncompliance.
Nevertheless, over the past few years the IRS has taken action to better coordinate international tax compliance issues. In September 2007, the IRS announced a service-wide approach to international tax administration. IRS Commissioner Douglas Shulman has announced that international issues will be a top priority during his tenure. Additional changes were made by modifying organizational structures, changing processes to facilitate compliance improvements, investing in human capital and information technology, and increasing cooperation and outreach to foreign governments.
Beyond the IRS, legislation has been introduced to address tax haven abuse, TIGTA noted. Both the Senate Finance Committee and the Senate’s Permanent Subcommittee on Investigations held hearings in July 2008 advocating more tools for the IRS to combat offshore evasion.