This Order declares that automotive cabin air carbon filters (Customs Tariff classification 8421.39.00) are goods to which item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995 applies. It was made by a delegate under section 269P of the Customs Act 1901, takes effect from 29 July 2011, and remains in force until revoked under sections 269SC or 269SD. Practically, the instrument changes how those imports are treated at the border; importers must use the specified tariff classification to claim the Schedule 4 treatment.