CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:-
GENERAL INTERPRETATIVE RULES (GIR)S
GIR 1 HAS BEEN USED TO CLASSIFY THE PRODUCT BY THE TERMS OF HEADING 8421 CENTRIFUGES, INCLUDING CENTRIFUGAL DRYERS; FILTERING OR PURIFYING MACHINERY AND APPRARATUS FOR LIQUIDS OR GASES
GIR 6 HAS BEEN USED TO CLASSIFY THE PRODUCT TO SUBHEADING LEVEL 842139 OTHER FILTERING OR PURIFYING MACHINERY AND APPRATUS FOR GASES
CN CODE 84213920 MACHINERY AND APPARATUS FOR FILTERING OR PURIFYING AIR
TARIC CODE 8421392090 OTHER THAN FOR USE IN CIVIL AIRCRAFT
ALSO CLASSIFIED IN ACCORDANCE WITH:-
THE HSENS TO HEADING 8421
NOTE 2A TO CHAPTER 84