This Order declares that a specific laboratory product — “purifiers, preparative, liquid chromatography, with or without chromatography columns” (tariff classification 8421.29.00) — is to which item 50 in Part III of Schedule 4 of the Customs Tariff Act 1995 applies, effective 16 June 2008. Importers and customs agents use this declaration to determine the tariff concession that applies to those imports; the declaration remains in force until revoked under ss 269SC or 269SD of the Customs Act 1901.