This Tariff Concession Order (TCO 1129321), made under s.269P of the Customs Act 1901 by a delegate of the Chief Executive Officer, declares that copper‑alloy tube/pipe couplings with a captive nut (tariff classification 7412.20.00) are goods to which Part III, Schedule 4, item 50 of the Customs Tariff Act 1995 applies, effective 29 Aug 2011 until revoked (ss.269SC/269SD). Mechanically, it changes the tariff treatment on import — affecting importers' duty liability and placing administration and revocation authority with the customs delegate (s.269P).