1 . SOCIAL SECURITY FOR MIGRANT WORKERS - NATIONAL SCHEME APPLICABLE TO ALL RESIDENTS - APPLICATION TO A NATIONAL OF ANOTHER MEMBER STATE - COMMUNITY RULES - BENEFIT - GRANT - CONDITION - STATUS AS EMPLOYED PERSON - DEFINITION WITH REGARD TO BRITISH LEGISLATION - CRITERION - PAYMENT OF SOCIAL SECURITY CONTRIBUTIONS ( REGULATION NO 1408/71 , ART . 1 ( A ) ( II ) AND ANNEX V ) 2 . SOCIAL SECURITY FOR MIGRANT WORKERS - COMMUNITY RULES - EMPLOYED PERSON - INSURANCE PERIODS COMPLETED UNDER THE LEGISLATION OF ANOTHER MEMBER STATE - ACQUISITION OF A RIGHT - ACCRUED RIGHTS - TAKING INTO ACCOUNT ( REGULATION NO 1408/71 , ART . 18 )