1 . SOCIAL SECURITY FOR MIGRANT WORKERS - COMMUNITY RULES - INTERPRETATION IN THE LIGHT OF THE OBJECTIVES OF THE TREATY - LOSS OF A SOCIAL SECURITY ADVANTAGE AS A RESULT OF THE TRANSFER OF RESIDENCE TO ANOTHER MEMBER STATE - NOT PERMISSIBLE ( EEC TREATY , ARTS . 48 TO 51 ; COUNCIL REGULATION NO 1408/71 ) 2 . SOCIAL SECURITY FOR MIGRANT WORKERS - OLD-AGE AND DEATH INSURANCE - CALCULATION OF INSURANCE PERIODS - DISCRIMINATION AGAINST MARRIED WOMEN - NOT PERMISSIBLE ( COUNCIL REGULATION NO 1408/71 , ANNEX VI , PART I , POINT 2 ) 3 . SOCIAL SECURITY FOR MIGRANT WORKERS - OLD-AGE AND DEATH INSURANCE - SPECIAL PROCEDURES FOR APPLYING NETHERLANDS LEGISLATION ON GENERAL OLD-AGE INSURANCE - CALCULATION OF INSURANCE PERIODS - TAKING INTO ACCOUNT CERTAIN PERIODS COMPLETED BY THE RECIPIENT ' S WIFE BEFORE 1 JANUARY 1957 - PERIODS OF RESIDENCE OR ACTIVITY AS AN EMPLOYED PERSON IN THE NETHERLANDS - INCLUSION ( COUNCIL REGULATION NO 1408/71 , ANNEX VI , PART I , POINT 2 ( A ))