This Order declares that imported goods classed as 8501.53.00 (drives for underground conveyors) are subject to Item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995, effective 19 May 2008, and remains in force until formally revoked (s.269P; s.269SC/269SD). It mechanically changes the tariff treatment for those specific imports. Importers pay lower tariff duties where Item 50 provides relief; the Chief Executive Officer’s delegate decides the concession and may revoke it, creating compliance and classification risk for traders.