This Order declares that specified parts for a synchrotron beamline (integral beam stops; white beam stops; bremsstrahlung stops; mono‑chromatic beam slits and shutters; beam position monitors; fluorescent screens) classified at 8543.90.90 are goods to which an item in Part III of Schedule 4 to the Customs Tariff Act 1995 applies. It took effect 29 Jan 2007 and continues until revoked under the Customs Act 1901. The declaration is made by a delegate of the Chief Executive Officer and matters to importers, customs officials and manufacturers who handle these parts.