▁the ▁Direct ive . ▁ ▁Jud gment ▁The ▁European ▁Court ▁of ▁Justice ▁said ▁the ▁Direct ive ' s ▁purpose ▁from ▁rec it als ▁ 1 , ▁ 4 , ▁ 7 ▁and ▁ 8 ▁and ▁Art ▁ 1 ( 1 ) ▁is ▁‘ to ▁improve ▁the ▁living ▁and ▁working ▁conditions ▁of ▁workers ’ . ▁Rec ital ▁ 4 ▁refers ▁to ▁the ▁Community ▁Char ter ▁of ▁Fund amental ▁Social ▁Rights ▁of ▁Work ers ▁ 1 9 8 9 ▁point ▁ 8 ▁and ▁ 1 9 ( 1 ) ▁that ▁everyone ▁should ▁have ▁satisf actory ▁health ▁and ▁safety ▁at ▁work . ▁It ▁is ▁clear ▁that ▁member ▁states ▁may ▁be ▁more ▁fav ou rable , ▁but ▁Art ▁ 7 ▁does ▁not ▁say ▁that ▁member ▁states ▁can ▁be ▁less ▁fav ou rable ▁or ▁allow ▁der og ations . ▁It ▁observed ▁that ▁‘ National ▁rules ▁of ▁that ▁kind ▁are ▁also ▁manifest ly ▁in compatible ▁with ▁the ▁scheme ▁of ▁Direct ive ▁ 9 3 / 1 0 4 ... ▁Furthermore , ▁rules ▁of ▁the ▁kind ▁at ▁issue … ▁are ▁li able ▁to ▁give ▁rise ▁to ▁ab use ▁because ▁employ ers ▁might ▁be ▁tempt ed ▁to ▁e va de ▁the ▁oblig ation ▁to ▁grant ▁the ▁paid ▁annual ▁leave ▁to ▁which ▁every ▁worker ▁is ▁entitled ▁by ▁more ▁frequent ▁resort ▁to ▁short - term ▁employ ment ▁relationships .’ ▁According ly , ▁introdu cing ▁a ▁qual ifying ▁period ▁was ▁not ▁allowed . ▁ ▁See ▁also ▁ ▁UK ▁labour ▁law ▁Working ▁Time ▁Direct ive ▁ ▁Notes ▁ ▁Category : Un ited ▁Kingdom ▁labour ▁case