ARTICLE 69 OF THIS REGULATION LAYS DOWN THE CONDITIONS WHICH THE PERSON SEEKING WORK MUST SATISFY IN ORDER TO BE ABLE TO RETAIN THE RIGHT TO THESE BENEFITS FOR A MAXIMUM OF THREE MONTHS, IN PARTICULAR BY REQUIRING THAT HE REGISTER WITHIN SEVEN DAYS WITH THE EMPLOYMENT SERVICES OF THE MEMBER STATES TO WHICH HE GOES AND THAT HE BE SUBJECT TO THE CONTROL PROCEDURE ORGANIZED THEREIN .
THE LINK WITH THE STATE WHERE THE WORKER BECAME UNEMPLOYED IS RETAINED BY THESE PROVISIONS BY THE FACT THAT THE COMPETENT INSTITUTION OF THAT STATE MUST STILL REIMBURSE THE AMOUNT OF UNEMPLOYMENT BENEFITS PROVIDED BY THE COMPETENT INSTITUTION OF ANOTHER MEMBER STATE . THEREFORE, WITH CERTAIN EXCEPTIONS, COMMUNITY LAW DOES NOT PROVIDE FOR THE RIGHT OF AN UNEMPLOYED WORKER TO CLAIM UNEMPLOYMENT BENEFITS UNDER THE LEGISLATION OF A MEMBER STATE OTHER THAN THE STATE IN WHICH HE BECAME UNEMPLOYED .
7 IT IS NECESSARY, THEREFORE, TO EXAMINE WHETHER THE PROVISIONS OF COMMUNITY LAW QUOTED BY THE NATIONAL COURT REQUIRE THIS TERRITORIAL LINK TO BE DISREGARDED IN RESPECT OF THE BENEFITS AT ISSUE IN THE MAIN ACTION .
8 ARTICLE 27 ( 1 ) OF REGULATION NO 3 PROVIDES THAT FOR THE ACQUISITION, MAINTENANCE OR RECOVERY OF THE RIGHT TO BENEFITS, WHERE AN INSURED PERSON HAS BEEN SUCCESSIVELY OR ALTERNATELY SUBJECT TO THE LEGISLATION OF TWO OR MORE MEMBER STATES, THE INSURANCE PERIODS AND ASSIMILATED PERIODS COMPLETED UNDER THE LEGISLATION OF EACH OF THE MEMBER STATES SHALL BE AGGREGATED IN SO FAR AS THEY DO NOT OVERLAP .
9 ARTICLE 45 ( 1 ) OF REGULATION NO 1408/71 PROVIDES THAT AN INSTITUTION OF A MEMBER STATE WHOSE LEGISLATION MAKES THE ACQUISITION, RETENTION OR RECOVERY OF THE RIGHT TO BENEFITS CONDITIONAL UPON THE COMPLETION OF INSURANCE PERIODS SHALL TAKE INTO ACCOUNT, TO THE EXTENT NECESSARY, INSURANCE PERIODS COMPLETED UNDER THE LEGISLATION OF ANY MEMBER STATE AS THOUGH THEY HAD BEEN COMPLETED UNDER THE LEGISLATION WHICH IT ADMINISTERS .
10 THE SAID ARTICLES, LIKE THE ENTIRE SYSTEM OF WHICH THEY FORM PART, HAVE AS THEIR BASIS, THEIR FRAMEWORK AND THEIR BOUNDS ARTICLES 48 TO 51 OF THE TREATY, WHICH ARE AIMED AT SECURING FREEDOM OF MOVEMENT FOR WORKERS .
UNDER ARTICLE 51, IMPLEMENTING REGULATIONS MUST SECURE FOR MIGRANT WORKERS AGGREGATION, FOR THE PURPOSE OF ACQUIRING THE RIGHT TO BENEFIT, OF ALL PERIODS TAKEN INTO ACCOUNT UNDER THE LAWS OF THE SEVERAL COUNTRIES .
THE AIM OF THIS PROVISION IS TO ALLOW THE MIGRANT WORKER TO ACQUIRE THE RIGHT TO BENEFIT FOR ALL PERIODS OF EMPLOYMENT OR PERIODS TREATED AS SUCH WHICH HAVE BEEN COMPLETED BY HIM IN VARIOUS MEMBER STATES, WITHOUT DISCRIMINATION AS AGAINST OTHER WORKERS BY REASON OF THE EXERCISE OF HIS RIGHT TO FREEDOM OF MOVEMENT .
THE PERIODS WHICH MUST BE TREATED AS THOUGH THEY WERE PERIODS OF EMPLOYMENT AS REGARDS AGGREGATION MAY UNDER ARTICLE 1 ( R ) OF REGULATION NO 3 AND UNDER ARTICLE 1 ( S ) OF REGULATION NO 1408/71 INCLUDE PERIODS OF UNEMPLOYMENT TO THE EXTENT TO