This Tariff Concession Order (TCO 0914746) designates “parts, hydrogen generator, being reformer columns” classified at 8405.90.00 as goods to which Schedule 4 Item 50 of the Customs Tariff Act 1995 applies, altering their tariff treatment on import and taking effect from 4 May 2009. The declaration is made by a delegate under s.269P of the Customs Act 1901 and remains in force until revoked under ss.269SC or 269SD. Importers of the specified parts bear the compliance and tariff consequences; correct classification (8405.90.00) determines treatment.