The arrival in Taipei on month-long assignments of two reporters from mainland China's state news agency (Xinhua) reflected Taiwan's expanding freedom of the press. Taiwan's President Chen Shui-bian stated that press freedom should not be restricted, and that no one should be banned from entering Taiwan because of ideology. Advocacy of formal independence from China is still prohibited by law. Police can censor or ban publications considered seditious or treasonous. These restrictions, along with penalties for libel, defamation, and insult are not generally enforced to restrict journalists.