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Immigration, Asylum and Nationality Bill

I am most grateful to the Minister for giving way. I have not looked up the relevant legislation; it occurred to me only when we were having the debate this afternoon. However, my recollection is that the person whom I have described as a subordinate constable—I have not been able to get the title right—did not actually have the right to detain; he simply had the right to request the individual to remain. Therefore, any explanation of why we are going from half an hour to three hours might also include a reference to why detention is granted to a contracted person whereas somebody who is actually wearing the uniform of Her Majesty in the subordinate capacity is allowed only to ask the person to wait until a constable arrives.