This Order, made under s.269P of the Customs Act 1901, declares that a narrowly defined resin — unfilled polybutylene terephthalate meeting specified tensile modulus, density and melt flow specifications (±5% tolerances) — is a good to which Item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995 applies, effective 17 January 2008. It affects importers and suppliers of that specific resin by changing its tariff classification; the Order remains in force until revoked under ss.269SC or 269SD, and compliance requires demonstrating the product meets the listed specifications.