CLASSIFICATION IS DETERMINED IN ACCORDANCE TO THE FOLLOWING:
GENERAL INTERPRETATIVE RULES (GIR)S
GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 7304 - TUBES, PIPES AND HOLLOW PROFILES, SEAMLESS, OF IRON (OTHER THAN CAST IRON) OR STEEL.
GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 730439 - OTHER, OF CIRCULAR CROSS-SECTION, OF IRON OR NON-ALLOY STEEL, OTHER THAN COLD-DRAWN OR COLD-ROLLED (COLD-REDUCED).
CN CODE 73043998 - OTHER, OF AN EXTERNAL DIAMETER EXCEEDING 406.4MM.
TARIC CODE 73043999890 - OTHER THAN WITH ATTACHED FITTINGS, SUITABLE FOR CONDUCTING GASES OR LIQUIDS, FOR USE IN CIVIL AIRCRAFT.
ALSO CLASSIFIED IN ACCORDANCE WITH:
HSEN GENERAL NOTE (1) TO CHAPTER 73.