This Tariff Concession Order applies the Part III Schedule 4 item of the Customs Tariff Act 1995 to imports described as subwoofers with a diameter not greater than 20.5 cm, effective 28 January 2009 and continuing until revoked. It was made by a delegate under s.269P of the Customs Act 1901 and can be revoked under ss.269SC or 269SD. Importers, customs brokers and suppliers are directly affected because the Order changes the tariff treatment and therefore the customs reporting and commercial decisions (sourcing, pricing, classification).