The Home Office, sometimes referred to as the Home Department, is a ministry of the Government of Sivad responsible for law enforcement, criminal justice, and immigration on Sivad and in the Ikeopo System. It is headed by the Secretary of State for the Home Department, commonly called the Home Secretary. The office of Home Secretary is currently vacant. It was formerly held by Sir Daniel Arndale. Departments within the Home Office include: * SHIELD, the Sivadian police force * HM Prison Service * Identity and Passport Service * Immigration and Naturalisation Directorate