AND EMOLUMENTS FROM WHICH THE HOST MEMBER STATE , AS A MEMBER OF THE COMMUNITIES , BENEFITS INDIRECTLY . THE FACT THAT HE DOES NOT PAY A TAX ON HIS SALARY TO THE NATIONAL TREASURY IS THEREFORE NOT A VALID REASON FOR DIFFERENTIATING THE CASE OF THE OFFICIAL AND HIS FAMILY FROM THAT OF THE MIGRANT WORKER WHOSE INCOME IS LIABLE TO TAXATION BY THE STATE IN WHICH HE RESIDES .
Decision on costs
COSTS
20 THE COSTS INCURRED BY THE GOVERNMENTS OF THE ITALIAN REPUBLIC AND THE UNITED KINGDOM AND BY THE COMMISSION , WHICH HAVE SUBMITTED OBSERVATIONS TO THE COURT , ARE NOT RECOVERABLE . AS THESE PROCEEDINGS ARE , IN SO FAR AS THE PARTIES TO THE MAIN ACTION ARE CONCERNED , IN THE NATURE OF A STEP IN THE PROCEEDINGS PENDING BEFORE THE NATIONAL COURT , THE DECISION AS TO COSTS IS A MATTER FOR THAT COURT .
Operative part
ON THOSE GROUNDS ,
THE COURT ( FOURTH CHAMBER ),
IN ANSWER TO THE QUESTIONS REFERRED TO IT BY THE JUGE DE PAIX OF THE FOURTH CANTON OF BRUSSELS BY JUDGMENT OF 11 DECEMBER 1981 , HEREBY RULES :
IF A MEMBER STATE ORGANIZES EDUCATIONAL COURSES RELATING IN PARTICULAR TO VOCATIONAL TRAINING , TO REQUIRE OF A NATIONAL OF ANOTHER MEMBER STATE LAWFULLY ESTABLISHED IN THE FIRST MEMBER STATE AN ENROLMENT FEE WHICH IS NOT REQUIRED OF ITS OWN NATIONALS IN ORDER TO TAKE PART IN SUCH COURSES CONSTITUTES DISCRIMINATION BY REASON OF NATIONALITY , WHICH IS PROHIBITED BY ARTICLE 7 OF THE TREATY .