This Order treats specific parts of an "industrial glasshouse wetback boiler" (tanks; shell and crown rings; spray tubes; overflows; manholes) as goods covered by item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995, effective 23 August 2010. The declaration was made under s.269P of the Customs Act 1901 and remains in force until revoked under ss.269SC or 269SD. Importers and customs brokers must identify qualifying parts under tariff classification 8403.90.00 to obtain the Schedule 4 treatment.