FAR AS THE PARTIES TO THE MAIN ACTION ARE CONCERNED, IN THE NATURE OF A STEP IN THE ACTION PENDING BEFORE THE NATIONAL COURT, IT IS FOR THAT COURT TO MAKE A DECISION AS TO COSTS .
Operative part
THE COURT
IN ANSWER TO THE QUESTION REFERRED TO IT BY THE COMMISSION DE PREMIERE INSTANCE DU CONTENTIEUX DE LA SECURITE SOCIALE ET DE LA MUTUALITE SOCIALE AGRICOLE DU BAS-RHIN BY ORDER OF THAT COURT DATED 17 JUNE 1970, HEREBY RULES :
THE PROVISIONS OF ARTICLE 13 ( 1 ) ( A ) OF REGULATION NO 3 OF THE COUNCIL OF THE EEC ON SOCIAL SECURITY FOR MIGRANT WORKERS ARE APPLICABLE TO A WORKER WHO IS ENGAGED BY AN UNDERTAKING PURSUING ITS ACTIVITY IN A MEMBER STATE, IS PAID BY THAT UNDERTAKING, IS ANSWERABLE TO IT FOR MISCONDUCT, IS ABLE TO BE DISMISSED BY IT AND WHO ON BEHALF OF THAT UNDERTAKING PERFORMS WORK TEMPORARILY IN ANOTHER UNDERTAKING IN ANOTHER MEMBER STATE .