This Tariff Concession Order (TCO 0917658) declares a specific type of double‑helical‑gear lubrication pump (tariff classification 8413.60.90) to be goods to which Part III, Schedule 4, item 50 of the Customs Tariff Act 1995 applies, effective 25 May 2009. The declaration was made by a delegate of the Chief Executive Officer under s.269P of the Customs Act 1901 and continues until revoked under ss.269SC/269SD. Mechanically, it alters the tariff treatment for imports that meet the precise technical description and requires importers to classify and document compliance with that description.