legal ground
Article 14 of the Criminal Law of People's Republic of China (PRC)
Knowing that one's actions will have harmful consequences to society, and hoping or letting such consequences happen, which constitutes a crime, is intentional crime.
Whoever intentionally commits a crime shall bear criminal responsibility.
Article 280 1
Whoever forges, alters or buys or sells official documents, certificates and seals of state organs shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention, public surveillance or deprivation of political rights and shall also be fined; If the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years and shall also be fined.