(3)Whereas Directive 88/357/EEC therefore represents an important stage in the merging of national markets into an integrated market and that stage must be supplemented by other Community instruments with a view to enabling all policyholders, irrespective of their status, their size or the nature of the risks to be insured, to have recourse to any insurer with a head office in the Community who carries on business there, under the right of establishment or the freedom to provide services, while guaranteeing them adequate protection;