COMMUNICATION FROM THE COMMISSION TO THE EUROPEAN PARLIAMENT AND THE COUNCIL...

... on an External Strategy for Effective Taxation:

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The EU Financial Regulation (Art. 140 (4)) prohibits EU funds from being invested in or channelled through entities in third countries which do not comply with international tax transparency standards.

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in: http://eur-lex.europa.eu/resource.html?uri=cellar:b5aef3db-c5a7-11e5-a4b5-01aa75ed71a1.0018.02/DOC_1&format=PDF