The Law of the Peoples Republic of China on Safeguarding National Security in the Hong Kong SAR the ampampquotNSLampampquot promises to be the most important legal development in Hong Kong since the advent of the Basic Law. Many wondered in the aftermath of the NSL how the foundations of Hong Kongampampamp8217s system might be changed and in what way the freedoms valued by Hong Kong may be affected.ampampamp160Supporters view the law as essential for the preservation of public order and the national security of China and for supporting the fundamental wellbeing of ampampamp8220One Country Two Systemsampampamp8221 an arrangement that has been in place since the return of Hong Kong to China. Critics fear an adverse impact on the spirit of ampampamp8220One Country Two Systemsampampamp8221.From a discussion initiated by the University of Hong Kongampampamp8217s Faculty of Law this collection of essays brings together leading experts on Hong Kong and Chinese law to offer an exploratory study of the NSL and its impact on the legal system and the principle of the rule of law in Hong Kong.ampampamp160The book examines the ramifications of the law in relation to constitutional matters protecting national security and sustaining ampampamp8220One Country Two Systemsampampamp8221 policing judicial independence and extraterritoriality as well as its wider implications in areas such as academic freedom and the business environment.