Legal basis: Regulations of the People's Republic of China on Passports and Visas.
Article 2 The People's Republic of China (PRC) visa is a permit for China citizens and foreigners to leave, enter and transit. Visa is divided into: diplomatic visa, official visa and ordinary visa.
Article 4 The organ that issues passports and visas has the right to refuse to issue passports and visas; Have the right to announce the cancellation of issued passports and visas.