This Tariff Concession Order (under s.269P of the Customs Act 1901) makes compression wedges incorporating metal stay plates (tariff classification 4016.99.00) subject to item 50 of Part III, Schedule 4 to the Customs Tariff Act 1995, effective 19 December 2007 and continuing until revoked. Mechanically, it changes the tariff treatment applied to those imported goods. Importers of the listed wedges are the primary parties affected; the delegate of the Chief Executive Officer decides application and revocation (see ss.269SC–269SD), which may alter import costs and sourcing decisions.