“40. Deprivation of citizenship … (2). The Secretary of State may by order deprive a person of a citizenship status if the Secretary of State is satisfied that deprivation is conducive to the public good. (3). The Secretary of State may by order deprive a person of a citizenship status which results from his registration or naturalisation if the Secretary of State is satisfied that the registration or naturalisation was obtained by means of – (a). fraud, (b). false representation, or (c). concealment of a material fact. (4). The Secretary of State may not make an order under subsection (2) if he is satisfied that the order would make a person stateless. (4A) [This sub-section came into force on28 July 2014 ]. But that does not prevent the Secretary of State from making an order under subsection (2) to deprive a person of a citizenship status if – (a). the citizenship status results from the person’s naturalisation, (b). the Secretary of State is satisfied that the deprivation is conducive to the public good because the person, while having that citizenship status, has conducted him or herself in a manner which is seriously prejudicial to the vital interests of the United Kingdom, any of the Islands, or any British overseas territory, and (c). the Secretary of State has reasonable grounds for believing that the person is able, under the law of a country or territory outside the United Kingdom, to become a national of such a country or territory.”
“Good character requirement. In this section you need to give information which will help the Home Secretary to decide whether he can be satisfied that you are of good character. Checks will be made with the Police and possibly other Government departments, the Security service and other agencies.”
“3.11 Have you engaged in any other activities which might be relevant to the question of whether you are a person of good character?”