<Tr> <Th_colspan="2"> Agency overview </Th> </Tr> <Tr> <Th> Formed </Th> <Td> 1 March, 2012 </Td> </Tr> <Tr> <Th> Preceding agency </Th> <Td> UK Border Agency </Td> </Tr> <Tr> <Th> Employees </Th> <Td> 7,500 </Td> </Tr>

Which act of parliament gives border force its powers