Gill’s vow to continue speaking out on behalf of such dual U.S./British citizens comes as resistance is reported to be growing on the part of European governments to continuing to accommodate the American government’s extra-territorial tax enforcement efforts, which is currently done in part through intergovernmental agreements signed in the wake of the 2010 passage of the Foreign Account Tax Compliance Act.

Under FATCA, non-U.S. financial institutions around the world are required to report to the U.S. on those accounts they hold on behalf of American citizens. They do this by reporting the information to the authorities in the country in which the financial institution in question is located – which in turn, under the terms of the IGA, forwards the information to the U.S. Internal Revenue Service.

As reported here last month, a growing number of the more than 100 countries that have signed up to participate in a new, global automatic banking information exchange program modelled on FATCA, and organized over the last few years by the Brussels-based Organization for Economic Cooperation and Development, have begun to question the fact that the U.S. has opted not to participate – and is understood to be giving as its excuse the fact that it has FATCA, and therefore has no need to.

Such countries are said to be frustrated in particular because the U.S. has failed to “reciprocate” with respect to the information it receives from them through their FATCA agreements with the same kind of information on accounts held by their taxpayers in U.S. financial institutions.

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