4. stk. 1, der kunne hjemle opretholdelse af en diskrimination, der bestod efter tidligere gældende national lovgivning.
of the Directiveleftto Member Statesa discretionwithregardto methods,it prescribedthe resultthosemethodsshouldachievename,lythe abolitionof anyprovisionscontraryto theprincipleof equaltreatment.The Courtthen emphasisedthatthe Directivedid notprovidefor any derogationfromtheprincipleof equaltreatmentlaid downin Article4(1),in orderto authorisethe extensionof the discriminatoryeffectsof earlierprovisionsof nationalawl.