This clause also engages Article 8 because it gives powers to obtain biometrics and search documents. An interference with this right must be in accordance with the law and proportionate to the pursuit of a legitimate aim. It is the Government’s position that “the power to collect and hold biometric information, and to search for nationality documents, pursues the legitimate aim of identifying individuals when detaining them during the deportation process which is operationally vital in the interests of effective immigration control, public safety and the prevention of disorder or crime.”175 Given the legitimate aim, it is unlikely that the collection of biometrics and searching of nationality documents to assist with deportation will be considered a disproportionate interference with Article