This order declares that a specific sprinkler-system waterflow switch set (tariff classification 8536.50.99 — a vane water flow switch plus a switch tester containing pump, valves, pipes and fittings) is subject to item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995. It takes effect from 04.08.2009 and remains until revoked. The practical effect is tariff-concession treatment for importers of those goods; the declaration was made by a Customs delegate and can be revoked under ss 269SC or 269SD of the Customs Act 1901.