It follows that, with regard to both the objective of Directive 93/104 and to its scheme, paid annual leave of a minimum duration of three weeks during the transitional period provided for in Article 18(l)(b)(ii) and four weeks after the expiry of that period constitutes a social right directly conferred by that directive on every worker as the minimum requirement necessary to ensure protection of his health and safety.
Det følger af de ovenstående betragtninger, at under hensyn til såvel formålet med direktiv 93/104 som dets opbygning, udgør en årlig betalt ferie af mindst tre ugers varighed i den overgangsperiode, der er fastsat i artikel 18, stk.