Note that this advice was revised after the UK once again was slapped down thoroughly by the European Court of Human Rights, who in January 2010 ruled that the much wider stop-and-search powers granted under section 44 of the Terrorist Act 2000 were illegal.
Notice the weasel words on the page you linked, which states "The power to stop and search someone under Section 44 of the Terrorism Act 2000 no longer exists" - not mentioning that it was not merely repealed, but found to be an illegal violation of human rights.
Notice the weasel words on the page you linked, which states "The power to stop and search someone under Section 44 of the Terrorism Act 2000 no longer exists" - not mentioning that it was not merely repealed, but found to be an illegal violation of human rights.