This Order declares that imported goods classified under tariff heading 8424.30.90 — described as “POST-BLAST MONORAIL MACHINES, wheel blasting” — are covered by item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995, effective 31 March 2009 and continuing until revoked under ss.269SC or 269SD of the Customs Act 1901 (declared under s.269P). Mechanically, it lets importers of those machines claim the Schedule 4 concession (lower import duty) if they meet customs classification and process requirements; the declaration is made by a delegated officer.