Translate the following English sentence to French:
"Thirdly, the European Union, under pressure from the United Kingdom in particular, failed to reach a specific agreement and binding timetable on tax information, leaving tax havens free to operate within the Union."
Troisièmement : l' Union européenne, notamment sous la pression du Royaume-Uni, n' a abouti ni à un accord précis ni à un calendrier contraignant, relativement à l' information fiscale, laissant ainsi libres les paradis fiscaux "au sein de l' Union".