This Order applies a tariff concession (Part III, Schedule 4 item 50) to a specific imported product: stainless‑steel nozzles for waste‑gas burners used in regenerative thermal oxidizers, tariff classification 8416.90.00, effective 8 March 2011 (s.269P). Mechanically, it alters how import duty applies to that product (benefitting importers), was declared by a delegate of the Chief Executive Officer, and remains in force until revoked under ss.269SC or 269SD or until any date specified in the Order. Compliance requires correct tariff classification and proof the goods match the Column 1 description.