Translate the following English sentence to French:
"The Portuguese Presidency has therefore prepared a set of political and military concepts and procedures which, following the WEU Council of Ministers meeting in Oporto, will be transferred to the European Union. This constitutes a fundamental part of the acquis which must be preserved."
La Présidence portugaise a donc préparé un paquet de concepts et de procédures politico-militaires qui, à la suite de la réunion ministérielle de l' UEO de Porto, sera transféré à l' Union européenne et fera partie de l' acquis à préserver.