This Order (made under s.269P of the Customs Act 1901) declares that welded test rings classified at tariff heading 7304.39.00 and complying with DNV‑OS‑F101 are goods to which Part III, Schedule 4 item 50 of the Customs Tariff Act 1995 applies, effective 8 December 2005 until revoked. Mechanically, it changes the tariff treatment that applies to those imported items; importers and the customs administration are affected and must show compliance with the DNV standard. The decision was taken by a delegate of the Chief Executive Officer and may be revoked under ss.269SC/269SD.