The advisory, at Level 2, warns that Hong Kong authorities have restricted civil liberties since the 2020 National Security Law and the 2024 Safeguarding National Security Ordinance. The laws include vaguely defined offenses such as secession, subversion, and collusion with foreign entities, and apply to foreign nationals within Hong Kong and to individuals outside its borders. The advisory states that anyone who criticizes the PRC or Hong Kong authorities may face arrest, detention, expulsion, or prosecution. It also notes that dual U.S.-PRC citizens and U.S. citizens of Chinese descent may face additional scrutiny.