This Order declares that specified metal, refractory‑lined expansion joints (tariff classification 8307.10.00) with listed features are goods to which item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995 applies, effective 4 April 2008. That means imported goods meeting the description receive whatever tariff treatment item 50 provides. It affects importers and manufacturers of these expansion joints and requires matching the detailed physical specifications to the tariff classification; the declaration was made under s.269P and can be revoked under ss.269SC/269SD.