The NPC Standing Committee passed the Hong Kong National Security Law and it was implemented that same night
On June 30, 2020, the Standing Committee of the National People's Congress passed the Law of the People's Republic of China on Safeguarding National Security in the Hong Kong Special Administrative Region. It was gazetted and implemented in Hong Kong at 11:00 PM that night. Subsequently, many countries suspended their extradition treaties with Hong Kong, and the United States revoked Hong Kong's special status.