Article 55 The Office for Safeguarding National Security of the Central People's Government in the Hong Kong Special Administrative Region shall, upon approval by the Central People's Government of a request made by the Government of the Hong Kong Special Administrative Region or by the Office itself, exercise jurisdiction over a case concerning offence endangering national security under this Law, if:
(1) the case is complex due to the involvement of a foreign country or external elements, thus making it difficult for the Region to exercise jurisdiction over the case;
(2) a serious situation occurs where the Government of the Region is unable to effectively enforce this Law; or
(3) a major and imminent threat to national security has occurred.
Article 56 In exercising jurisdiction over a case concerning offence endangering national security pursuant to Article 55 of this Law, the Office for Safeguarding National Security of the Central People's Government in the Hong Kong Special Administrative Region shall initiate investigation into the case, the Supreme People's Procuratorate shall designate a prosecuting body to prosecute it, and the Supreme People's Court shall designate a court to adjudicate it.
Article 57 The Criminal Procedure Law of the People's Republic of China and other related national laws shall apply to procedural matters, including those related to criminal investigation, examination and prosecution, trial, and execution of penalty, in respect of cases over which jurisdiction is exercised pursuant to Article 55 of this Law.
When exercising jurisdiction over cases pursuant to Article 55 of this Law, the law enforcement and judicial authorities referred to in Article 56 of this Law shall exercise powers in accordance with the law. The legal documents issued by these authorities on their decisions to take mandatory and investigation measures and on their judicial decisions shall have legal force in the Hong Kong Special Administrative Region. The institutions, organisations and individuals
