With the European Union in constant evolution, with its 27 member states and 23 official languages, your capacity to influence the EU decision making process depends directly upon your capacity to deal with several cultures, languages and mentalities at the same time.It is becoming more and more crucial to acquire an in-depth understanding of the differences existing between the different EU bodies regarding the decision making process.There are golden rules to be respected in any negotiation process. It is necessary to be aware of it in order to raise the chances of success.