(6)Whereas, as a result, the taking up and the pursuit of the business of insurance are henceforth to be subject to the grant of a single official authorization issued by the competent authorities of the Member State in which an insurance undertaking has its head office; whereas such authorization enables an undertaking to carry on business throughout the Community, under the right of establishment or the freedom to provide services; whereas the Member State of the branch or of the provision of services may no longer require insurance undertakings which wish to carry on insurance business there and which have already been authorized in their home Member State to seek fresh authorization; whereas Directives 73/239/EEC and 88/357/EEC should therefore be amended along those lines;