This Order says a particular kind of prefabricated building (tariff classification 9406.00.00 — tin roofs, hardwood walls and at least 1,000 mirrors plus stained glass) is to be treated under the Part III, Schedule 4 concession item of the Customs Tariff Act 1995 from 5 April 2007 until revoked (made under s269P; revocation under ss269SC/269SD). Mechanically, it changes how customs duty and entry treatment apply to those importers; the CEO’s delegate makes the declaration and importers and customs must verify compliance with the stated description.