Legal basis:
Article 12 Retroactivity of Criminal Law of People's Republic of China (PRC) If the laws at that time did not take into account the acts committed after the establishment of People's Republic of China (PRC) before the implementation of this law, and if the laws at that time were deemed as crimes, criminal responsibility should be investigated in accordance with the provisions of Section 8 of Chapter IV of the General Provisions of this law, criminal responsibility should be investigated in accordance with the laws at that time. However, if the laws at that time do not consider these acts as crimes, this law shall apply.