1 . SOCIAL SECURITY FOR MIGRANT WORKERS - COMMUNITY RULES - SCOPE - DECLARATIONS BY MEMBER STATES - EFFECTS ( REGULATION NO 1408/71 OF THE COUNCIL , ART . 5 ) 2 . SOCIAL SECURITY FOR MIGRANT WORKERS - COMMUNITY RULES - SCOPE - GERMAN LAW ON THE REPARATION OF INJUSTICE PERPETRATED UNDER NATIONAL SOCIALISM IN THE FIELD OF SOCIAL INSURANCE - INCLUDED ( REGULATION NO 1408/71 OF THE COUNCIL , ART . 1 ( J ) AND ART . 4 ( 4 )) 3 . SOCIAL SECURITY FOR MIGRANT WORKERS - CONTINUED VOLUNTARY OR OPTIONAL INSURANCE - ADMISSION - STATUS OF INSURED PERSON UNDER NATIONAL LEGISLATION LACKING - DUTY TO TAKE INTO ACCOUNT INSURANCE PERIODS COMPLETED IN ANOTHER MEMBER STATE - NONE ( REGULATION NO 1408/71 OF THE COUNCIL , ART . 9 ( 2 ))