Declares that specific subsea electrical umbilical cables (instrumentation and power) meeting precise dimensions—length at least 5,000 m, outside diameter 72–76 mm, voltage 0.6/1 kV—are goods to which item 50 in Part III of Schedule 4 to the Customs Tariff Act 1995 applies, effective 12 February 2007. Importers of those exact cables gain the Schedule 4 tariff treatment; the declaration is made under s269P of the Customs Act 1901 by a delegate and remains until revoked under ss269SC/269SD. Qualification requires matching the stated technical specifications.