++++ 1 . Social security for migrant workers - Benefits - National rules against the overlapping of benefits - Right existing only under national legislation - Application - Limits - Community rules more favourable to the worker ( Regulation No 1408/71 of the Council, Arts 12(2 ) and 46(3 ) ) 2 . Social security for migrant workers - Benefits - National rules against the overlapping of benefits - Not applicable to persons receiving benefits of the same kind paid under Regulation No 1408/71 - Early retirement and invalidity pensions - Treated as benefits of the same kind ( Regulation No 1408/71 of the Council, Arts 12(2 ) and 46 )