s 19 Earlier extradition to United Kingdom from non-category 1 territory
A person’s extradition to a category 1 territory is barred by reason of his earlier extradition to the United Kingdom from a non-category 1 territory if (and only if)— (a) the person was extradited to the United Kingdom from a territory that is not a category 1 territory (the extraditing territory); (b) under arrangements between the United Kingdom and the extraditing territory, that territory’s consent is required to the person’s being dealt with in the United Kingdom in respect of the extradition offence under consideration; (c) consent has not been given on behalf of the extraditing territory to the person’s extradition from the United Kingdom to the category 1 territory in respect of the extradition offence under consideration.