This Tariff Concession Order (TCO 1106403) applies a Schedule 4, Part III concession (item 50) to one tariff line: "parts, wharf, structural steel, being torsion arm fenders" (tariff classification 7326.90.90), effective 16 February 2011. It was made under s.269P of the Customs Act by a delegate of the CEO and continues until revoked.
Importers of those parts may pay reduced or no customs duty if they qualify; revocation is governed by ss.269SC–269SD. Compliance requires correct classification and administrative proof of eligibility; the Order contains no further procedural detail.