This Order treats specific steel pipes used in power‑station steam boilers (main steam, hot reheat, cold reheat and main feed water pipes) classified at 7304.59.00 as goods to which Part III, Schedule 4 item 50 of the Customs Tariff Act 1995 applies, effective 28 December 2007 until revoked. A delegate of the Chief Executive Officer declared the concession under s.269P of the Customs Act 1901. Importers of those pipes therefore receive the tariff concession (reducing import duty costs), which may affect sourcing and purchase decisions.