Mechanically, this Tariff Concession Order (TCO 0943739) declares that “samplers, liquid metal” (tariff classification 6815.99.00) are subject to Part III, Schedule 4, item 50 of the Customs Tariff Act 1995 from 19 November 2009. It was made by a delegate under s269P of the Customs Act 1901 and continues until revoked under ss269SC/269SD. This changes the tariff treatment for importers of the specified goods and shifts compliance and classification responsibility to importers and customs officials.