This Tariff Concession Order (TCO 0603700) classifies a narrow set of aluminium rods (alloy 6262, tempers T6/T9, cross‑section 6–450 mm; tariff classification 7604.29.00) as eligible for the Schedule 4 Part III customs tariff concession (item 50), effective 13 February 2006 (made under s269P, Customs Act 1901). Importers who can show their goods meet the technical specifications get the tariff concession (reducing or removing import duty); the concession stays in force until revoked under ss269SC or 269SD. Compliance requires documentary or physical proof of alloy, temper and dimensions.