++++ 1 . SOCIAL SECURITY FOR MIGRANT WORKERS - NATIONAL LEGISLATION - SOCIAL ASSISTANCE AND SOCIAL SECURITY - DISTINCTION 2 . SOCIAL SECURITY FOR MIGRANT WORKERS - NATIONAL LEGISLATION - HANDICAPPED PERSONS - ENTITLEMENT TO BENEFIT - SOCIAL ASSISTANCE AND SOCIAL SECURITY - COMMUNITY REGULATIONS - CONDITIONS UNDER WHICH THEY APPLY ( EEC TREATY, ARTICLE 51, REGULATION OF THE COUNCIL NO 3, ARTICLE 1 ( S ), ARTICLE 2 ( 1 ) ( B ))