This Tariff Concession Order (TCO 0720928) declares portable push‑up exercisers with rotating handles (tariff classification 9506.91.00) eligible for the tariff treatment listed at Item 50, Part III, Schedule 4 to the Customs Tariff Act 1995, effective 7 December 2007 and continuing until revoked (under s.269SC/269SD). Mechanically, importers of the specified goods are entitled to the Schedule 4 concession (so pay lower/altered customs duty); the Commonwealth delegate implements and may revoke the order (s.269P).