This Order declares that certain DC–DC converters (minimum 550 V DC output and 20 V DC input) are goods to which the Part III Schedule 4 item of the Customs Tariff Act 1995 applies. It takes effect from 24 November 2010 and remains until revoked under the statutory revocation provisions. Mechanically, the instrument alters the tariff treatment and compliance classification of those imported goods, affecting importers, customs brokers and downstream purchasers; the declaration is made under s.269P of the Customs Act 1901 by a delegate of the CEO.