be responsible for the management of police preparedness operations in the region", which is externally referred to as the police preparedness office, and shall dispatch and lead police pickets to perform police preparedness duties in accordance with the provisions of Article 27. Article 4 of the Police Regulation provides that: The main tasks of policing are (1) Maintaining military discipline. (2) Maintaining order in the operation of military vehicles and traffic safety. (3) To investigate and deal with impersonation of military personnel, military vehicles and military units in accordance with the prescribed authority (4) To safeguard the image of the army and the legitimate rights and interests of soldiers out in the field (5) To carry out temporary guard duty. The duties of the military police detachment are only concerned with issues such as the military appearance and discipline of military personnel and vehicles. Legal matters involving criminal law enforcement and public security administrative law enforcement rights belong to the military procuratorates and military defence departments. Cases of impersonation of military personnel, military vehicles and military units detected during police picketing are transferred to the jurisdiction of local judicial organs for handling. The jurisprudence is that in general criminal cases (i.e. excluding crimes against military duties), military status does not constitute a special subject. According to Article 4 of the Regulations on Handling Criminal Cases Involving the Military and Localities, which was implemented by the Supreme People's Court, the Supreme People's Procuratorate, the Ministry of Public Security, the Ministry of Justice and the General Political Department of the PLA on 1 August 2009, the principle of personal jurisdiction is adopted, and military personnel (including active military personnel, military civilian personnel, non-active public service personnel, employees on staff, retired personnel administered by the military, as well as reserve personnel and other personnel performing military The investigation, prosecution, trial and execution of penalties against military personnel (including active-duty military personnel, military civilian personnel, inactive public service personnel, employees on staff, retired personnel administered by the military, as well as reservists and other personnel carrying out military duties) shall be under the jurisdiction of the military defence departments, military procuratorates and military courts; the investigation, prosecution, trial and execution of penalties against local personnel shall be under the jurisdiction of local judicial organs. before the 2018 institutional reform, personnel of the public security border guard, fire-fighting and security forces formerly included in the