COURT , THE DECISION ON COSTS IS A MATTER FOR THAT COURT .
Operative part
ON THOSE GROUNDS ,
THE COURT ( SECOND CHAMBER ),
IN ANSWER TO THE QUESTIONS REFERRED TO IT BY THE RECHTBANK VAN EERSTE AANLEG , ANTWERP , BY A JUDGMENT OF 1 APRIL 1982 , HEREBY RULES :
THE AIR FILTERS THE COMPOSITION OF WHICH IS DESCRIBED IN THE QUESTIONS REFERRED TO THE COURT MUST BE CLASSIFIED AS ARTICLES OF TEXTILE MATERIAL OF A KIND COMMONLY USED IN MACHINERY OR PLANT UNDER HEADING NO 59.17 OF THE COMMON CUSTOMS TARIFF OR AS MACHINERY AND APPLIANCES AND PARTS THEREOF , OF GLASS , UNDER HEADING NO 70.20 OF THE COMMON CUSTOMS TARIFF , ACCORDING TO WHETHER THE FILTERING COMPONENT CONSISTS OF TEXTILE MATERIAL OR OF GLASS FIBRE .