| Tariff Classification |
| section 15 | Base metals and articles of base metal |
| chapter 73 | Articles of iron or steel |
| 73.08 | Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel: |
| 7308.30 | －Doors, windows and their frames and thresholds for doors |
|