66% in 1961. Under the Fourth Merkel cabinet, which took office in February 2018, the Ministry of the Interior was merged with the building department, which had been included in the ministry of transport from 1998 to 2013, and the environment ministry from 2013 to 2018. The ministry, headed by the former Bavarian minister-president Horst Seehofer, was then renamed to "Interior, Building and Homeland". The renaming was controversial as some interpreted the term Heimat as old-fashioned or even nationalistic. Responsibilities The Ministry of the Interior is responsible for internal security and the protection of the constitutional order, for civil protection against disasters and terrorism, for displaced persons, administrative questions, and sports. It is host to the Standing Committee of Interior Ministers and also drafts all passport, identity card, firearms, and explosives legislation. The ministry also houses the Joint Anti-Terrorism Center formed in 2004 which is an information-sharing and analytical forum for all German police and intelligence agencies involved in the fight against terrorism. Organization State Secretaries The minister is supported by two parliamentary state secretaries and five state secretaries who manage the ministry's various departments. Departments state secretaries #1 and #2 "P" Department (Abteilung P) is the ministry's police department and has two branches: law enforcement and counter-terrorism. It analyses crime control issues and develops concepts and drafts laws to improve law enforcement and crime prevention efforts. It also manages the Federal Criminal Police Office, coordinates police support group deployments and represents federal interests in the sport and security arena. Due to Germany's federal structure, it can only promote internal security and public safety by cooperating with the state police forces and with agencies within the European Union (EU) and beyond. "IS" Department (Abteilung IS) is the internal security department that protects the German state against political extremism. It exercises supervisory control over the Federal Office for Constitution Protection, studies extremist groups and can ban them as a final resort. In addition, the department is responsible for the security of classified information and prevention of sabotage and espionage. It also manages civil defense and emergency management efforts at the national level and exercises supervisory control over the Civil Protection Center and Federal Agency for Technical Relief. "B" Department (Abteilung B) supervises and manages German Federal Police operations. "M" Department (Abteilung M) is responsible for immigration, integration, refugees and European harmonisation. "Z" Department (Abteilung Z) is the central office. "D" Department