This Order applies a tariff concession (Part III, Schedule 4 item 50) to a single listed product — “PIPE PURGING SYSTEM, WASTE WATER” classified at 3926.90.90 — effective 24 November 2009 and continuing until revoked (made under s.269P of the Customs Act 1901; revocation under ss.269SC–269SD). It affects importers of that specific product by altering the customs duty payable. The CEO’s delegate issued the Order; importers must classify goods correctly and meet administrative requirements to claim the concession, and the administration retains discretion to revoke it.