1 . SOCIAL POLICY - MEN AND WOMEN - EQUAL PAY - IMPLEMENTATION BY THE MEMBER STATES - RELIANCE ON REPRESENTATIVES OF MANAGEMENT AND LABOUR - INSUFFICIENT ( COUNCIL DIRECTIVE NO 75/117 ) 2 . SOCIAL POLICY - MEN AND WOMEN - EQUAL PAY - IMPLEMENTATION BY THE MEMBER STATES - LEGAL CERTAINTY AND PROTECTION OF INDIVIDUALS - FAILURE TO MENTION EQUAL PAY FOR WORK OF EQUAL VALUE IN NATIONAL LEGISLATION - NOT PERMISSIBLE ( COUNCIL DIRECTIVE NO 75/117 , ART . 1 , FIRST PARA .) 3 . COMMUNITY LAW - INTERPRETATION - MEASURES ADOPTED BY COMMUNITY INSTITUTIONS - UNILATERAL DECLARATIONS MADE AT THE TIME OF ENACTMENT - WHETHER OR NOT TO BE TAKEN INTO ACCOUNT - NO