Mechanically, this Order (under s269P of the Customs Act 1901) declares that specified infrared carpet‑blank heating ovens (including dollies and rack frames), classified 8514.30.00, are goods to which Part III of Schedule 4 item 50 of the Customs Tariff Act 1995 applies from 10 Aug 2011 until revoked. This changes the tariff treatment of those imported ovens: importers must prove the goods match the listed description to obtain Schedule 4 treatment; the Chief Executive Officer (or a delegate) decides and may revoke under ss269SC/269SD.