China has tightened travel controls under exit-and-entry rules effective Sept. 15, allowing authorities to bar citizens from leaving over export-control or technology-transfer violations deemed to threaten national security. The measures also increase pressure on wealthy households and private bankers, trust companies and immigration agencies that help move money and families abroad. Citizens returning after illegal or criminal acts overseas that harm national security or interests can face exit bans of six months to three years, while foreign nationals may be denied entry for one to five years for false visa statements or conduct abroad that harms China's national interests. The rules formalize broader scrutiny of cross-border movement as Beijing seeks to protect technological and industrial security amid competition with the U.S. Taiwan has warned visitors, particularly technology workers, to exercise caution, while the detention of U.S. citizen Min Zin has heightened concerns about the rules' application. Market reaction indicated reduced expectations of a Xi Jinping visit to the U.S. before the end of 2026.